力士乐REXROTH 0821302725

力士乐REXROTH 0821302725 力士乐气动阀 博世力士乐优质商品 全新包装 低价销售 特价现货 欢迎来电咨询

我公司专业代理博世力士乐（BOSCH-REXROTH）、阿托斯ATOS、派克Parker、迪普马DUPLOMATIC、油研YUKEN;本特利bentley、贝加莱B&R、西门子、光洋KOYO，美国ASCO，美国PARKER派克 等系列进口产品 

力士乐REXROTH 0821302725 力士乐气动阀 气动阀：是一种直角回转结构，它与阀门定位器配套使用，可实现比例调节； 气动阀适用于各种调节场合，具有额定流量系数大，可调比大，密封效果好，调节性能灵敏，体积小，可竖卧安装。适用于控制气体、蒸汽、液体等介质。

该阀中的固定节流孔尺寸按设备的发动机佳速度所需流量确定。若发动机速度超出此佳范围，则节流小孔压降将增加，从而将卸载阀移位至小流量位置。因此大流量泵相邻的元件做成可对大流量节流的尺寸，故此回路能耗少、工作平稳且成本低

 

气动阀是一种气控液压阀，它用于泵进油节流，当设备的液压空载时，仅使极小流量（〈 18.9t/min）通过泵；而在有负载时，全流量吸入泵。如图10所示，这种回路可省去泵与原动机间的离合器，从而降低了成本，还减小了空载功耗，因通过回路的极小流量保持了设备的原动机功率。另外，还降低了泵在空载时的噪声。干式吸油阀回路可用于由内燃机驱动的任何车辆中开关式液压系统，例如垃圾装填卡车及工业设备。

SZ45T力士乐Z800X阀 力士乐压差旁通阀Z800X系列 Z800X-25C-DN600-PN25 力士乐Z800X-25C-DN450-PN25 Z800X-25C-DN400-PN25 力士乐Z800X-25C-DN350-PN25 Z800X-25C-DN300-PN25 力士乐Z800X-25C-DN250-PN25 Z800X-25C-DN200-PN25力士乐 Z800X-25C-DN150-PN25 力士乐Z800X-25C-DN125-PN25 Z800X-25C-DN80-PN25 Z800X-25C-DN65-PN25 Z800X-25C-DN50-PN25 Z800X-25C-DN40-PN25力士乐 Z800X-25C-DN32-PN25 力士乐防爆波闸阀SZ45T系列 SZ45T-10-700 SZ45T-10-500 SZ45T-10-300 SZ45T-10-250 SZ45T-10-200 SZ45T-10-150 SZ45T-10-100 SZ45T-10-80 SZ45T-10-65 SZ45T-10-50 力士乐闸阀Z673F/Z641Y系列 Z673F-10C-300 Z673F-10C-250 Z673F-10C-200 Z673F-10C-150 Z673F-10C-125 Z673F-10C-100力士乐 力士乐Z673F-10C-80 Z673F-10C-65 Z673F-10C-50 Z641Y-16C-500 Z641Y-16C-450 Z641Y-16C-400 Z641Y-16C-300 力士乐Z641Y-16C-200 Z641Y-16C-125 Z641Y-16C-80 Z641Y-16C-50 Proportionalflowcoolvalve,2-way2通比例流量控制阀 2FRE10-4X/10LBK4MR900915817 2FRE10-4X/16LBK4MR900915825 2FRE10-4X/25LBK4MR900915820 2FRE10-4X/50LBK4MR900915815 2FRE16-4X/100LBK4MR900915819 2FRE16-4X/160LBK4MR900915814 2-wayflowcoolvalve2通流量控制阀 2FRM10-3X/10LR900424887 2FRM10-3X/10LBR900423250 2FRM10-3X/16LR900423251 2FRM10-3X/16LBR900423252 2FRM10-3X/25LR900423255 2FRM10-3X/25LBR900423256 2FRM10-3X/50LR900420286 2FRM10-3X/50LBR900423261 2FRM16-3X/100LR900424905 2FRM16-3X/100LBR900420287 2FRM16-3X/160LR900424906 2FRM16-3X/160LBR900424902 2FRM16-3X/160LVR900427777 2FRM16-3X/60LR900423271 2FRM16-3X/60LBR900424903 Proportionalpressurereducingvalveof3-way3通定比减压阀 R9009544743DREP6A-2X/16EG24K4/M R9009544173DREP6A-2X/25EG24K4/M R9009544183DREP6A-2X/45EG24K4/M R9009544193DREP6C-2X/16EG24K4/M R9009544203DREP6C-2X/25EG24K4/M R9009544213DREP6C-2X/45EG24K4/M Proportionalpressurereducingvalveof3-way3通定比减压阀 R9009544223DREPE6A-2X/16EG24K31/A1M R9009544233DREPE6A-2X/25EG24K31/A1M R9009544243DREPE6A-2X/45EG24K31/A1M R9009544253DREPE6C-2X/16EG24K31/A1M R9009544273DREPE6C-2X/25EG24K31/A1M R9009544283DREPE6C-2X/45EG24K31/A1M 4/2-4/3-waydirectionalvalves二位四通和三位四通方向阀 4WEH10C4X/6EG24N9ETK4R900941581 4WEH10C4X/6EG24N9K4R900925268a 4WEH10D4X/6EG24N9ETK4R900926575 4WEH10D4X/6EG24N9K4R900931316 4WEH10E4X/6EG24N9ETK4R900928594 4WEH10E4X/6EG24N9K4R900928168 4WEH10G4X/6EG24N9ETK4R900942019 4WEH10G4X/6EG24N9K4R900961516 4WEH10H4X/6EG24N9K4R900920717 4WEH10J4X/6EG24N9ETK4R900926574 4WEH10J4X/6EG24N9K4R900578288 4WEH10M4X/6EG24N9K4R900754735 4WEH10Q4X/6EG24N9ETK4R900973945 4WEH10Q4X/6EG24N9K4R900924732 4WEH10R4X/6EG24N9ETK4R900952799 4WEH10R4X/6EG24N9K4R900947420 4WEH10T4X/6EG24N9K4R900977227 4WEH10V4X/6EG24N9K4R900958747 4WEH10HD4X/6EG24N9ETK4R900929469 4WEH10HD4X/6EG24N9K4R900957389 4WEH16C7X/6EG24N9ETK4R900922081 4WEH16C7X/6EG24N9K4R900924024 4WEH16D7X/6EG24N9ETK4R900922083 4WEH16D7X/6EG24N9K4R900923989 4WEH16E7X/6EG24N9ETK4R900922084 4WEH16E7X/6EG24N9K4R900923811 4/2-4/3-waydirectionalvalves二位四通和三位四通方向阀 4WEH16G7X/6EG24N9ETK4R900926886 4WEH16G7X/6EG24N9K4R900926378 4WEH16H7X/6EG24N9ETK4R900926207 4WEH16H7X/6EG24N9K4R900933198 4WEH16J7X/6EG24N9ETK4R900922085 4WEH16J7X/6EG24N9K4R900925580 4WEH16M7X/6EG24N9ETK4R900926887 4WEH16M7X/6EG24N9K4R900929281 4WEH16R7X/6EG24N9ETK4R900925977 4WEH16R7X/6EG24N9K4R900929283 4WEH16T7X/6EG24N9ETK4R900926888 4WEH16T7X/6EG24N9K4R900942302 4WEH16V7X/6EG24N9K4R900712908 4WEH16W7X/6EG24N9ETK4R900925961 4WEH16W7X/6EG24N9K4R900927092 4WEH16K7X/6EG24N9K4R900963501 4WEH16Z7X/6EG24N9K4R900939796 4WEH16HC7X/6EG24N9K4R900956808 4WEH16HD7X/6EG24N9ETK4R900922079 4WEH16HD7X/6EG24N9K4R900925823 4WEH22C7X/6EG24N9ETK4/B10R900722936 4WEH22C7X/6EG24N9K4R900930928 4WEH22D7X/6EG24N9ETK4/B10R900951901 4WEH22D7X/6EG24N9K4R900920169 4/2-4/3-waydirectionalvalves二位四通和三位四通方向阀 4WEH22E7X/6EG24N9ETK4/B10R900931338 4WEH22E7X/6EG24N9K4R900981655 4WEH22G7X/6EG24N9ETK4/B10P4.5R900930144 4WEH22G7X/6EG24N9K4R900927611 4WEH22H7X/6EG24N9ETK4/B10P4.5R900730904 4WEH22H7X/6EG24N9K4R900934810 4WEH22J7X/6EG24N9ETK4/B10P4.5R900932049 4WEH22J7X/6EG24N9K4R900916452 4WEH22M7X/6EG24N9K4R900766705 4WEH22Q7X/6EG24N9ETK4/B10R900951218 4WEH22Q7X/6EG24N9K4R900747704 4WEH22R7X/6EG24N9ETK4/B10R900932992 4WEH22R7X/6EG24N9K4R900923680 4WEH22W7X/6EG24N9ETK4/B10R900956272 4WEH22W7X/6EG24N9K4R900978642 4WEH22HD7X/6EG24N9ETK4/B10R900926507 4WEH22HD7X/6EG24N9K4R900925823 4WEH22HK7X/6EG24N9ETK4/B10R900753578 4WEH22K7X/6EG24N9ETK4/B10R900963669 4WEH22K7X/6EG24N9K4R900978132 4WEH22Z7X/6EG24N9K4R900705849 4WEH32C6X/6EG24N9EK4/B10P4.5R900700270 4/2-4/3-waydirectionalvalves二位四通和三位四通方向阀 4WEH32H6X/6EG24N9K4R900951221 4WEH32J6X/6EG24N9ETK4/B10R900932052 4WEH32J6X/6EG24N9K4R900933558 4WEH32M6X/6EG24N9EK4/B10R900766461 4WEH32M6X/6EG24N9K4R900947975 4WEH32Q6X/6EG24N9ETK4/B10R900961918 4WEH32Q6X/6EG24N9K4R900702114 4WEH32R6X/6EG24N9ETK4/B10R900966086 4WEH32W6X/6EG24N9K4R900732830 4WEH32HC6X/6EG24N9K4R900916934 4WEH32HDR6X/6EG24N9ETK4/B10R900968228 4WEH32HDC6X/6EG24N9K4R900949136 H-4WEH25C6X/6EG24N9K4R900924322 H-4WEH25D6X/6EG24N9K4R900907357 H-4WEH25E6X/6EG24N9K4R900932453 H-4WEH25G6X/6EG24N9K4R900936600 H-4WEH25H6X/6EG24N9K4R900949851 H-4WEH25J6X/6EG24N9K4R900929180 H-4WEH25Q6X/6EG24N9K4R900780849 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R9009541054WRE10W25-2X/G24K4/V R9009541064WRE10W50-2X/G24K4/V R9009541074WRE10W75-2X/G24K4/V R9009541134WRE10W1-50-2X/G24K4/V R9009541144WRE10W1-75-2X/G24K4/V R9009541154WRE10V25-2X/G24K4/V R9009541164WRE10V50-2X/G24K4/V R9009541174WRE10V75-2X/G24K4/V 4/2-4/3-wayproportionaldirectionalvalves二位四通和三位四通比例方向阀 R9009121564WREE6E08-2X/G24K31/A1V R9009205674WREE6E16-2X/G24K31/A1V R9009071144WREE6E32-2X/G24K31/A1V R9009156864WREE6E1-16-2X/G24K31/A1V R9009285534WREE6E1-32-2X/G24K31/A1V R9009230004WREE6W08-2X/G24K31/A1V R9009256574WREE6W16-2X/G24K31/A1V R9009110044WREE6W32-2X/G24K31/A1V R9009396274WREE6W1-16-2X/G24K31/A1V R9009133594WREE6W1-32-2X/G24K31/A1V R9009093674WREE6V08-2X/G24K31/A1V R9009074404WREE6V16-2X/G24K31/A1V R9009116814WREE6V32-2X/G24K31/A1V R9009330734WREE10E25-2X/G24K31/A1V R9009272314WREE10E50-2X/G24K31/A1V R9009272304WREE10E75-2X/G24K31/A1V R9009330764WREE10E1-50-2X/G24K31/A1V R9009272324WREE10E1-75-2X/G24K31/A1V R9009330744WREE10W25-2X/G24K31/A1V R9009313714WREE10W50-2X/G24K31/A1V R9009272334WREE10W75-2X/G24K31/A1V R9009330774WREE10W1-50-2X/G24K31/A1V R9009272344WREE10W1-75-2X/G24K31/A1V R9009330754WREE10V25-2X/G24K31/A1V R9009272354WREE10V50-2X/G24K31/A1V R9009246074WREE10V75-2X/G24K31/A1V Pressurereliefvalve减压阀 DB10-2-5X/50R900590645 DB10-2-5X/100R900590646 DB10-2-5X/200R900587772 DB10-2-5X/315R900590334 DB10-2-5X/350R900597992 DB20-2-5X/50R900597212 DB20-2-5X/100R900589433 DB20-2-5X/200R900590768 DB20-2-5X/315R900593530 DB20-2-5X/350R900590618 DB20G2-5X/50R900590328 DB20G2-5X/200R900597307 DB20G2-5X/315R900597747 DB20G2-5X/350R900599232 DB30-2-5X/50R900593564 DB30-2-5X/100R900594677 DB30-2-5X/200R900588131 DB30-2-5X/315R900591128 DB30-2-5X/350R900504902 DB30G2-5X/50R900598338 DB30G2-5X/100R900502598 DB30G2-5X/200R900500719 DB30G2-5X/315R900594426 DB30G2-5X/350R900535222 Pressurereliefvalve减压阀 DBDA6K1X/25R900423780 DBDA6K1X/50R900425083 DBDA6K1X/00R900425080 DBDA6K1X/200R900425081 DBDA6K1X/315R900425082 DBDA6K1X/400R900428387 DBDH6K1X/25R900427600 DBDH6K1X/50R900424734 DBDH6K1X/00R900424199 DBDH6K1X/200R900424200 DBDH6K1X/315R900424201 DBDH6K1X/400R900424202 DBDS6K1X/25R900420245 DBDS6K1X/50R900423727 DBDS6K1X/00R900423723 DBDS6K1X/200R900423724 DBDS6K1X/315R900423725 DBDS6K1X/400R900423726 DBDA0K1X/25R900430305 DBDA0K1X/50R900425966 DBDA0K1X/00R900425161 DBDA0K1X/200R900425162 DBDA0K1X/315R900425164 DBDA0K1X/400R900425165 Pressurereliefvalve减压阀 DBDA0K1X/630R900426835 DBDH0K1X/25R900435222 DBDH0K1X/50R900424185 DBDH0K1X/00R900423891 DBDH0K1X/200R900424190 DBDH0K1X/315R900424183 DBDH0K1X/400R900424184 DBDH0K1X/630R900433807 DBDS0K1X/25R900420276 DBDS0K1X/50R900424153 DBDS0K1X/00R900424147 DBDS0K1X/200R900424149 DBDS0K1X/315R900424150 DBDS0K1X/400R900424152 DBDS0K1X/630R900427601 DBDH20K1X/25R900423028 DBDH20K1X/50R900424112 DBDH20K1X/00R900424109 DBDS20K1X/25R900422542 DBDS20K1X/50R900424205 DBDS20K1X/00R900424267 DBDS20K1X/315R900424271 DBDS20K1X/400R900424203 DBDH30K1X/25R900445875 DBDH30K1X/50R900424193 DBDS30K1X/25R900422543 DBDS30K1X/50R900424282 DBDS30K1X/00R900424284 DBDS30K1X/200R900424286 DBDS30K1X/315R900424288 DBDA6G1X/25R900432465 DBDA6G1X/50R900424177 DBDA6G1X/00R900425076 DBDA6G1X/200R900426477 DBDS20G1X/00R900424170 DBDS20G1X/200R900424172 DBDS20G1X/315R900424174 DBDS20P1X/00R900424274 DBDS20P1X/200R900424277 DBDS20P1X/315R900424278 DBDS25G1X/25R900433929 DBDS25G1X/00R900424263 DBDS25G1X/200R900424264 DBDS25G1X/315R900424265 DBDS30G1X/25R900427243 DBDS30G1X/50R900424262 DBDS30G1X/00R900423763 DBDS30G1X/200R900424281 DBDS30G1X/315R900424261 DBDS30P1X/25R900429711 DBDS30P1X/200R900423714 DBDS30P1X/315R900423715 Pressurereliefvalve减压阀 DBDA6G1X/315R900426478 DBDA6G1X/400R900428382 DBDH6G1X/25R900426897 DBDH6G1X/50R900424198 DBDH6G1X/00R900424195 DBDH6G1X/200R900424196 DBDH6G1X/315R900424197 DBDH6G1X/400R900424348 DBDH6P1X/25R900430378 DBDH6P1X/50R900428385 DBDH6P1X/00R900424246 DBDH6P1X/200R900427242 DBDH6P1X/315R900424266 DBDH6P1X/400R900434128 DBDS6G1X/25R900423718 DBDS6G1X/50R900423722 DBDS6G1X/00R900423717 DBDS6G1X/200R900423719 DBDS6G1X/315R900423720 DBDS6G1X/400R900423721 DBDS6P1X/25R900429414 DBDS6P1X/50R900423732 DBDS6P1X/00R900423728 DBDS6P1X/200R900423729 DBDS6P1X/315R900423730 DBDS6P1X/400R900423731 DBDH0G1X/50R900424180 DBDH0G1X/00R900424188 DBDH0G1X/200R900424178 DBDH0G1X/315R900424189 DBDH0G1X/630R900423739 DBDH0P1X/00R900426901 DBDH0P1X/200R900424186 DBDH0P1X/315R900424187 DBDS0G1X/25R900423743 DBDS0G1X/50R900424745 DBDS0G1X/00R900424738 DBDS0G1X/200R900424140 DBDS0G1X/315R900424742 DBDS0G1X/400R900424744 DBDS0P1X/25R900426905 DBDS0P1X/00R900424155 DBDS0P1X/315R900424158 DBDS0P1X/400R900425660 DBDS5G1X/00R900424162 DBDS5G1X/200R900424163 DBDS5G1X/315R900424165 DBDH20G1X/50R900424108 DBDH20G1X/00R900424103 DBDS20G1X/25R900422544 DBDS20G1X/50R900424276 Proportionalpressurereliefvalve比例减压阀 DBEME10-5X/50YG24K31MR900908585 DBEME10-5X/100YG24K31MR900954707 DBEME10-5X/200YG24K31MR900954708 DBEME10-5X/315YG24K31MR900536812 DBEME10-5X/350YG24K31MR900941261 DBEME20-5X/50YG24K31MR900954711 DBEME20-5X/100YG24K31MR900937307 DBEME20-5X/200YG24K31MR900954709 DBEME20-5X/315YG24K31MR900536813 DBEME20-5X/350YG24K31MR900954710 Pressurereducingvalve减压阀 DR10-5-5X/100YR900596766 DR10-5-5X/200YR900503741 DR10-5-5X/315YR900596883 DR20-5-5X/100YR900597198 DR20-5-5X/200YR900597892 DR20-5-5X/315YR900597048 DR30-5-5X/100YR900596339 DR30-5-5X/200YR900596500 DR30-5-5X/315YR900596928 Proportionalpressurereducingvalve比例减压阀 DREE10-5X/50YMG24K31MR900954506 DREE10-5X/100YMG24K31MR900950719 DREE10-5X/200YMG24K31MR900937022 DREE10-5X/315YMG24K31MR900937209 DREE20-5X/50YMG24K31MR900954511 DREE20-5X/100YMG24K31MR900954508 DREE20-5X/200YMG24K31MR900954509 DREE20-5X/315YMG24K31MR900954510 2-wayproportionalthrottlevalve二通比例节流阀 FESE25CA-3X/315LK0B1MR900973604 FESE32CA-3X/450LK0B1MR900973605 FESE40CA-3X/670LK0B1MR900973607 FESE50CA-3X/1400LK0B1MR900954504 FESE63CA-3X/1800LK0B1MR900954505 2/2,3/24/2directionalpoppetvalvewithsolenoidactuation换向提升阀 M-3SED6UK1X/350CG24N9K4R900052621 M-3SED6UK1X/350CG96N9K4R900207848 M-3SED6CK1X/350CG24N9K4R900052392 M-3SED6CK1X/350CG96N9K4R900218734 2/2-,3/2-4/2-waydirectionalpoppetvalves,solenoidoperated方向提升阀 M-3SEW6C3X/420MG205N9K4 R900050514 M-3SEW6C3X/420MG24N9K4 R900566273 M-3SEW6C3X/420MG96N9K4 R900570252 M-3SEW6U3X/420MG205N9K4 R900050515 M-3SEW6U3X/420MG24N9K4 R900566283 M-3SEW6U3X/420MG96N9K4 R900570744 Checkvalve单向阀止回阀 Z2S6-1-6X/ R900347495 Z2S6-2-6X/ R900347496 Z2S6-3-6X/ R900347497 Z2S6A1-6X/ R900347498 Z2S6B1-6X/ R900347501 Checkvalvehydraulicallypilotoperated单向阀止回阀 SL10GA1-4X/R900483370 SL10GB1-4X/R900451135 SL10PA1-4X/R900483371 SL10PB1-4X/R900443419 SL15GA1-4X/R900587553 SL20PA1-4X/R900587559 SL20PB1-4X/R900599586 SL25GA1-4X/R900587555 SL30GA1-4X/R900587556 SL30PA1-4X/R900587560 SV10GA1-4X/R900483368 SV10GB1-4X/R900453511 SV10PA1-4X/R900483369 SV10PB1-4X/R900467724 SV15GA1-4X/R900587549 SV20GA1-4X/R900587550 SV20PA1-4X/R900587557 SV25GA1-4X/R900587551 SV30GA1-4X/R900587552 SV30PA1-4X/R900587558 4/3,4/23/2directionalvalve液压电磁换向阀 4WE6J6X/EG12N9K4R900567496 3WE6A6X/EG24N9K4R900561180 3WE6B6X/EG24N9K4R900561270 4WE6C6X/EG24N9K4R900561272 4WE6C6X/OFEG24N9K4R900564107 4WE6D6X/EG24N9K4R900561274 4WE6D6X/0FEG24N9K4R900567512 4WE6E6X/EG24N9K4R900561278 4WE6EA6X/EG24N9K4R900561280 4WE6EB6X/EG24N9K4R900561281 4WE6G6X/EG24N9K4R900561282 4WE6H6X/EG24N9K4R900561286 4WE6HA6X/EG24N9K4R900549534 4WE6J6X/EG24N9K4R900561288 4WE6M6X/EG24N9K4R900577475 4WE6Q6X/EG24N9K4R900561292 4WE6R6X/EG24N9K4R900571012 4WE6T6X/EG24N9K4R900934414 4WE6U6X/EG24N9K4R900572785 4WE6W6X/EG24N9K4R900568233 4WE6Y6X/EG24N9K4R900561276 4WE6D6X/EW110N9K4R900551704 4WE6D6X/OFEW110N9K4R900552321 4WE6E6X/EW110N9K4R900558641 4WE6J6X/EW110N9K4R900551703 3WE6A6X/EW230N9K4R900915672 4WE6C6X/EW230N9K4R900913132 4WE6D6X/EW230N9K4R900909559 4WE6D6X/OFEW230N9K4R900915095 4WE6E6X/EW230N9K4R900912492 4WE6H6X/EW230N9K4R900912494 4WE6J6X/EW230N9K4R900911762 4WE6Y6X/EW230N9K4R900909415 Checkvalve单向阀止回阀 S6A0.0/R900422880 S6A1.0/R900422881 S6A5.0/R900375858 S8A0.0/R900422885 S8A1.0/R900422886 S8A3.0/R900422888 S8A5.0/R900358268 S10A0.0/R900420530 S10A1.0/R900420531 S10A2.0/R900420532 S10A3.0/R900420534 S10A5.0/R900446476 S15A0.0/R900420536 S15A1.0/R900420537 S15A2.0/R900420520 S15A3.0/R900420521 S15A5.0/R900446477 S20A0.0/R900420524 S20A1.0/R900420525 S20A2.0/R900420528 S20A3.0/R900420529 S20A5.0/R900446369 S25A1.0/R900420511 S25A3.0/R900420515 S25A5.0/R900451778 S30A0.0/R900420517 S30A1.0/R900420519 S30A2.0/R900420502 S30A3.0/R900420504 S30A5.0/R900446709 力士乐液压阀：Bosch Rexroth比例阀 齿轮泵、Bosch-Rexroth比例液压阀、力士乐rexroth电磁阀、力士乐放大板、力士乐电磁换向阀、力士乐电磁溢流阀、博世力士乐rexroth单向节流阀、博世力士乐rexroth压力继电器、博世力士乐rexroth齿轮泵、博世力士乐液压备件、德国Bosch Rexroth比例伺服阀、德国博世力士乐rexroth液压阀、德国博世力士乐rexroth电磁阀 柱塞泵 力士乐气动阀  REXROTH气动阀 力士乐气动元件 REXROTH气动元件 力士乐气动产品 Rexroth气动产品 力士乐气动 REXROTH力士乐 博世力士乐气动 BOSCH力士乐气动 BOSCH-REXROTH气动