力士乐液压马达A2FO32/61R-PBB05
力士乐液压马达A2FO32/61R-PBB05是上海韦米机电设备有限公司的【重点优势产品】之一,,,主营产品电磁换向阀、节流阀、单向阀、比例阀等欢迎来电咨询!
力士乐液压马达A2FO32/61R-PBB05
力士乐液压马达A2FO32/61R-PBB05
博世力士乐rexroth马达
博世力士乐rexroth变量马达A2F
力士乐定量液压泵REXROTH定量液压泵现货优势型号如下
A2FM45/61W-VZB040 9411584,
A2FM56/61W-VAB010 9424905,
A2FM56/61W-VAB020 9422129,
A2FM56/61W-VAB040 9429251,
A2FM56/61W-VBB010 9610664,
A2FM56/61W-VBB020 9610665,
A2FM56/61W-VBB040 9605544,
A2FO32/61R-PAB05 9410193,
A2FO32/61R-PBB05 9410198,
A2FO45/61R-PZB05 9411585,
A2FO56/61R-PAB05 9425190,
A2FO56/61R-PBB05 9610686,
A2FM32/61W-VAB010 9410189,
A2FM32/61W-VAB020 9410190,
A2FM32/61W-VAB040 9410192,
A2FM32/61W-VBB010 9410194,
A2FM32/61W-VBB020 9410195,
A2FM32/61W-VBB040 9410197,
A2FM45/61W-VZB010 9411581,
A2FM45/61W-VZB020 9411582,
轴向柱塞马达
定量马达
变量马达
双向液压马达
REXROTH R909416550 AA2FM107/61W-VSD510
REXROTH R909409681 AA2FM125/61W-VSD520
REXROTH R909421614 AA2FM16/61W-VSC530
REXROTH R902028609 AA2FM160/61W-VSD510
REXROTH R909409203 AA2FM180/61W-VSD510
REXROTH R909408999 AA2FM32/61W-VSD520
REXROTH R909417126 AA2FM45/61W-VSD520
REXROTH R909408971 AA2FM63/61W-VSD520
REXROTH R902011966 AA2FM80/61W-VQDN520
REXROTH R902011964 AA2FM90/61W-VQDN520
REXROTH NOT ASSIGNED AA6VM107EP1/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM107EP1/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM107EP2/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM107EP2/63W-VSD527PB-E
REXROTH R902092299 AA6VM107EZ1/63W-VSD520PB-E
REXROTH R902092719 AA6VM107EZ1/63W-VSD527PB-E
REXROTH R902092299 AA6VM107EZ2/63W-VSD520PB-E
REXROTH R902092719 AA6VM107EZ2/63W-VSD527PB-E
REXROTH R902092098 AA6VM107HA1/63W-VSD520A-E
REXROTH R902092101 AA6VM107HA1/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM107HA1 T/63W-VSD520A-E
REXROTH R902092491 AA6VM107HA1 T/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM107HA2/63W-VSD520A-E
REXROTH NOT ASSIGNED AA6VM107HA2/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM107HA2T/63W-VSD520A-E
REXROTH NOT ASSIGNED AA6VM107HA2T/63W-VSD527A-E
REXROTH R902092167 AA6VM160HA1/63W-VSD520A-E
REXROTH R902092048 AA6VM160HA1/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM160EP1/63W-VSD520PB-E
REXROTH R902092740 AA6VM160EP1/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM160EP2/63W-VSD520PB-E
REXROTH R902092740 AA6VM160EP2/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM160EZ1/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM160EZ1/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM160EZ2/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM160EZ2/63W-VSD527PB-E
REXROTH R902092095 AA6VM160HA1/63W-VSD520A-E
REXROTH R902092107 AA6VM160HA1/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM160HA1T/63W-VSD520A-E
REXROTH R902092142 AA6VM160HA1T/63W-VSD527A-E
REXROTH R902092093 AA6VM160HA2/63W-VSD520A-E
REXROTH NOT ASSIGNED AA6VM160HA2/63W-VSD52A-E
REXROTH NOT ASSIGNED AA6VM160HA2T/63W-VSD520A-E
REXROTH R902092090 AA6VM160HA2T/63W-VSD527A-E
REXROTH R902092631 AA6VM160HD1/63W-VSD520B-E
REXROTH R902092049 AA6VM160HD1/63W-VSD527B-E
REXROTH NOT ASSIGNED AA6VM55EP1/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EP1/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM55EP2/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EP2/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM55EZ1/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EZ1/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM55EZ2/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EZ2/63W-VSD527PB-E
REXROTH R902092147 AA6VM55HA1/63W-VSD520A-E
REXROTH R902092728 AA6VM55HA1/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM55HA1T/63W-VSD520A-E
REXROTH NOT ASSIGNED AA6VM55HA1T/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM55HA2/63W-VSD520A-E
REXROTH R902092054 AA6VM55HA2/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM55HA2T/63W-VSD520A-E
REXROTH R9020922082 AA6VM55HA2T/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM55HD1/63W-VSD520B-E
REXROTH NOT ASSIGNED AA6VM55HD1/63W-VSD527B-E
REXROTH NOT ASSIGNED AA6VM55EP1/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EP1/63W-VSD527PB-E
REXROTH NOT ASSIGNED AA6VM55EP2/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EP2/63W-VSD527PB-E
REXROTH R902092633 AA6VM55EZ1/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EZ1/63W-VSD527PB-E
REXROTH R902092633 AA6VM55EZ2/63W-VSD520PB-E
REXROTH NOT ASSIGNED AA6VM55EZ2/63W-VSD527PB-E
REXROTH R902092233 AA6VM55HA1/63W-VSD520A-E
REXROTH NOT ASSIGNED AA6VM55HA1/63W-VSD527A-E
REXROTH R902092087 AA6VM55HA1T/63W-VSD520A-E
REXROTH R902092129 AA6VM55HA1T/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM55HA2/63W-VSD520A-E
REXROTH NOT ASSIGNED AA6VM55HA2/63W-VSD527A-E
REXROTH NOT ASSIGNED AA6VM55HA2T/63W-VSD520A-E
REXROTH NOT ASSIGNED AA6VM55HA2T/63W-VSD527A-E
REXROTH R902092070 AA6VM55HD1/63W-VSD520B-E
REXROTH R902092047 AA6VM55HD1/63W-VSD527B-E
REXROTH R921806850 MCR10F125OF250OZ-32/B7M/2W/42/S
REXROTH R921806218 MCR10F1340F25OZ-32/AOM/42/S
REXROTH R921809067 MCR15F1250F280Z-32/AOM/42/S
REXROTH R921809118 MCR15F1500F28OZ-32/AOM/42/S
REXROTH R921808532 MCR20C2100F28OZ-32/B19M/2W/42
REXROTH R921808023 MCR20C3000F28OZ-32/AOM/42
REXROTH R921807040 MCR3D400L4OZ-32/AOM/12
REXROTH R921807106 MCR3F400F180Z-32/AOM/12
REXROTH R921807578 MCR3F400F180Z-32/B2M/12
REXROTH R921805037 MCR5C565F12OZ-32/AOM/12
REXROTH R921805100 MCR5D820L5OZ-32/AOM/12
REXROTH R921805852 MCR5D820L5OZ-32/B4M/12
REXROTH R921805348 MCR5F68OF180Z-32/AOM/12/S
德国REXROTH力士乐轴向柱塞泵-定量泵
REXROTH轴向柱塞马达A6VM160HD1/63W-VAB010B
REXROTH轴向柱塞定量泵A2FM63/61W-VAB020
A2FO型号
规格5至1000
斜轴式轴向注塞泵
开式回路
6系列
标准定量泵适用于任何应用
SAE法兰或者螺纹工作端口
轴承寿命长(规格250至1000)
REXROTH轴向柱塞定量泵A2FM63/61W-VAB020
部分常用型号陈列如下,请给出具体型号规格与我公司销售部,及时给您报*势的价格,给您zui满意的答复。敬候您的来电....
德国REXROTH力士乐轴向柱塞泵-定量泵优势订货
A2FO160/61R-PBB05
A2FO80/61R-PBB05 *SV*
A2FO23/61R-PBB05
A2FO107/61R-PBB05 *SV*
A2FO12/61R-VPB06
A2FO10/61R-PAB06
A2FO45/61R-PPB05 *AL*
A2FO45/61R-PZB05 *AL*
A2FO16/61R-PBB06 *AL*
A2FO32/61R-PBB05 *AL*
A2FO56/61R-PPB05 *AL*
A2FO125/61R-PBB05 *SV*
A2FO180/61R-PBB05 *AL*
A2FO160/61R-PPB05 *AL*
A2FO28/61R-PPB05 *AL*
A2FO63/61R-PBB05 *AL*
A2FO125/61R-PBB05
A2FO160/61R-VAB05 *AL*
A2FO200/63L-PBB05 *AL*
A2FO107/61L-PBB05 *AL*
A2FO23/61L-PAB05 *AL*
A2FO32/61L-PBB05 *AL*
A2FO32/61L-PAB05 *AL*
A2FO45/61L-PPB05 *AL*
A2FO16/61L-PAB06 *AL*
A2FO160/61R-PBB05
A2FO80/61R-PBB05
A2FO56/61R-PBB05
A2FO28/61R-PBB05
A2FO23/61R-PBB05
A2FO12/61R-PBB06
A2FO10/61R-PBB06
A2FO107/61R-PBB05
A2FO56/61R-PAB05
A2FO10/61R-PAB06
A2FO80/61R-PAB05
A2FO107/61R-PAB05
A2FO12/61R-PAB06
A2FO45/61R-PZB05
A2FO16/61R-PBB06
A2FO32/61R-PBB05
A2FO125/61R-PBB05
A2FO180/61R-PBB05
A2FO63/61R-PBB05
A2FO90/61R-PBB05
KFA2FO107/63 -MEK64
KFA2FO80/63 -MEK64
KFA2FO63/63 -MEK64
KFA2FO23/63 -MEK64
A2FO200/63R-NAB05
A4FO型号
规格16至500
轴向柱塞斜盘结构
开式回路
系列1(规格1)
系列3(规格16至40,规格125至500)
在驱动通轴上可另装泵
可用HF油液工作,但运行参数有所降低(规格71至500)
A4FO28/32R-NSC12N00
A10VSO柱塞泵 A4VSO变量泵
A10VSO18DFR1/31R-PPB12N00
A10VS018DFR1/31R-PPB12N00
A10VS018DR/31R-PPA12N00
A10VSO18DR/31R-PPA12N00
A10VSO18DFR1/31R-PPA12N00
A10VSO18DFR1/31R-PPB12NOO
A10VS018DFR1/31R-PPB12NOO
A10VSO18DR/31R-PPA12N00
A10VSO28DR/31R-PPA12N00
A10VS028DR/31R-PPA12N00
A10VO28DR/31R-PSC12N00
A10VSO28DRF1/31R-PSA12N00
E-A10VSO28DFR1/31R-PPA12N00
A10VSO28DFR1/31R-PPA12N00
A10VS028DFR1/31R-PPA12N00
A10VSO28DFR/31R-PSA12N00
A10VSO28DR/32R-PPA121V00
A10VO28DFR1/31L-PSC62N00
A10VO28DFR1/31R-PSC62N00
A10VS045DR/31R-PPA12N00
A10VSO45DR/31R-PPA12N00
A10VS045DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12N00
E-A10VSO45DFR1/31R-PPA12N00
E-A10VS045DFR1/31R-PPA12N00
A10VSO45DR/52R-PC12N00
A10VO45DFR1/31R-PSC62K02
A10VSO45DFR1/32R-PPB12N00
A10VSO71DFR1/31R-PPA12N00
A10VS071DFR1/31R-PPA12N00
A10VSO71DFR1/31R-PPA12KB5
A10VSO71DFR/31R-PSC62K07
A10VSO71DFR1/31R-PPA12N00
A10VS071DFR1/31R-PPA12N00
E-A1OVSO71DFR1/31R-PPA12N00
E-A1OVS071DFR1/31R-PPA12N00
A10VSO71DFR1/31R-PPA12N00
A10VSO71DFR1/32R-VPB22U99
A10VS071DFR1/32R-VPB22U99
A10VSO71DFR1/31R-PPB12NOO
EA10VSO71DR/31R-PPA12N00
A10VSO71DR/31R-PPA12N00
A10VSO100DR/31R-PPA12N00
A10VS0100DR/31R-PPA12N00
A10VSO100DR/31R-VPA12N00
A10VS0100DR/31R-VPA12N00
A10VSO100DFR1/31R-PPA12N00
A10VS0100DFR1/31R-PPA12N00
A10VSO100DR/31R-PPA12N00
A10VSO100DFR1/32R-VPB12N00
A10VS0100DFR1/32R-VPB12N00
A10VSO100DFR1/32R-PPB12N00
A10VS0100DR/31R-PSC11N00
A10VS0100DR/31R-PTA12N00
E-A10VSO140D/31R-PPB12N00
A10VSO140DR/31R-PPB12N00
A10VS0140DR/31R-PPB12N00
E-A10VSO140DFR1/31R-PPA12N00
A10VSO140DFR1S/31R-PPB12N00
A10VSO140DFR1/31R-PPB12N00
A10VS0140DFLR/31R-PPB12N00
A10VSO140DR/31R-PPB12NOO
A10VS0140DR/31R-PPB12NOO
A10VSO140DRS/32R-VPB12N00
A10VSO140DRS/32R-VPB22U99
A10VS0140DRS/32R-VPB22U99
A10VSO140DFR1/31R-PPB12N00
A10VSO140DR/32R-PPA12N00
A4VSO40LR2G/10R-PPB13N00
A4VSO71DFR/10X-PPB13N00
A4VSO71DR/10X-PPB13N00
A4VSO71DRG/10X-PPB13N00
A4VSO71LR2/10R-PPB13N00
A4VSO71LR2D/10R-PPB13N00
A4VSO125DFR/22R-PPB13N00
A4VSO125DR/22R-PPB13N00
A4VSO125DR/22R-VPB13N00
A4VSO125LR2/22R-PPB13N00
A4VSO125LR2G/22R-PPB13N00
A4VSO125LR2N/22R-PPB13N00
A4VSO180LR2N/22R-PPB13N00
A4VSO250DFR/30R-PPB13N00
A4VSO250DR/30R-PPB13N00
A4VSO250DRG/30R-PPB13N00
A4VSO250LR2/30R-PPB13N00
A4VSO250LR2G/30R-PPB13N00
A4VSO250LR2N/30R-PPB13N00
A4VSO180DFR/22R-PPB13N00
A4VSO180DR/22R-PPB13N00
A4VSO180DRG/22R-PPB13N00
A2FO定量泵
A2FO10/61R-PAB06 9424894 A2FO10/61R-PBB06 9610682 A2FO12/61R-PAB06 9420472
A2FO12/61R-PBB06 9610683 A2FO16/61R-PAB06 9411113 A2FO16/61R-PBB06 9411121
A2FO23/61R-PAB05 9427223 A2FO23/61R-PBB05 9610684 A2FO28/61R-PAB05 9425164
A2FO28/61R-PBB05 9610685 A2FO32/61R-PAB05 9410193 A2FO32/61R-PBB05 9410198
A2FO45/61R-PZB05 9411585 A2FO56/61R-PAB05 9425190 A2FO56/61R-PBB05 9610686
A2FO63/61R-PAB05 9408527 A2FO63/61R-PBB05 9408552 A2FO80/61R-PAB05 9424687
A2FO80/61R-PBB05 9610687 A2FO90/61R-PAB05 9408467 A2FO90/61R-PBB05 9408472
A2FO107/61R-PAB05 9423259 A2FO107/61R-PBB05 9438282 A2FO125/61R-PAB05 9409641
A2FO125/61R-PBB05 9409642 A2FO160/61R-PAB05 9422192 A2FO160/61R-PBB05 9610688
A2FO180/61R-PAB05 9409371 A2FO180/61R-PBB05 9409358 A2FO200/63R-PAB05 2011993
A2FM定容量 液压马达
A2FM32/61W-VAB010 9410189 A2FM32/61W-VAB020 9410190 A2FM32/61W-VAB040 9410192
A2FM32/61W-VBB010 9410194 A2FM32/61W-VBB020 9410195 A2FM32/61W-VBB040 9410197
A2FM45/61W-VZB010 9411581 A2FM45/61W-VZB020 9411582 A2FM45/61W-VZB040 9411584
A2FM56/61W-VAB010 9424905 A2FM56/61W-VAB020 9422129 A2FM56/61W-VAB040 9429251
A2FM56/61W-VBB010 9610664 A2FM56/61W-VBB020 9610665 A2FM56/61W-VBB040 9605544
A2FM63/61W-VAB010 9408523 A2FM63/61W-VAB020 9408524 A2FM63/61W-VAB040 9408526
A2FM63/61W-VBB010 9408514 A2FM63/61W-VBB020 9408549 A2FM63/61W-VBB040 9408551
A2FM80/61W-VAB010 9422638 A2FM80/61W-VAB020 9422089 A2FM80/61W-VBB010 9610666
A2FM80/61W-VBB020 9610667 A2FM90/61W-VAB010 9408463 A2FM90/61W-VAB020 9408464
A2FM90/61W-VBB010 9408468 A2FM90/61W-VBB020 9408469 A2FM107/61W-VAB010 9424300
A2FM107/61W-VAB020 9424093 A2FM107/61W-VBB0a10 9610668 A2FM107/61W-VBB020 9610669
A2FM125/61W-VAB010 9409630 A2FM125/61W-VAB020 9409634 A2FM125/61W-VBB010 9409637
A2FM125/61W-VBB020 9409638 A2FM160/61W-VAB010 9425163 A2FM160/61W-VAB020 9424094
A2FM160/61W-VBB010 9610670 A2FM160/61W-VBB020 9610671 A2FM180/61W-VAB010 9409189
A2FM180/61W-VAB020 9409190 A2FM180/61W-VBB010 9409372 A2FM180/61W-VBB020 9409373
A2FM200/63W-VAB010 2011528 A2FM250/60W-VZB010 915383 A2FM250/60W-VZB020 910653
A2FM355/60W-VZH010 920780 A2FM500/60W-VPH010 943251 A2FM500/60W-VZH010 968982
A2FLM710/60W-VPH010 969815 A2FLM710/60W-VZH010 965974 A2FM1000/60W-VPH010 949444
A2FM1000/60W-VZH010 944773
A7VO 液压可变排量泵 柱塞泵
A7VO55LRH1/63R-NZB01 9610373
A7VO55LRD/63R-NZB01 9610555
A7VO55DR/63R-NZB01 9610374
A7VO55EP/63R-NZB01 9610376
A7VO80LRH1/63R-NZB01 9610383
A7VO80LRD/63R-NZB01 9610557
A7VO80DR/63R-NZB01 9610384
A7VO80EP/63R-NZB01 9610386
A7VO107LRH1/63R-NZB01 9610393
A7VO107LRD/63R-NZB01 9610559
A7VO107DR/63R-NZB01 9610394
A7VO107EP/63R-NZB01 9610396
A7VO160LRH1/63R-NZB01 9610403
A7VO160LRD/63R-NZB01 9610561
A7VO160DR/63R-NZB01 9610404
A7VO160EP/63R-NZB01 9610406
A7VO250DR/63R-VPB02 934705
A7VO250LRD/63R-VPB02 940153
博世Bosch Rexroth力士乐上海优势供应阀系列产品如下
力士乐Rexroth电磁阀,力士乐Rexroth比例阀,力士乐Rexroth溢流阀,力士乐Rexroth调节阀,力士乐Rexroth液压阀,Rexroth solenoid valve ,力士乐换向阀,博世电磁阀,Bosch电磁阀,Bosch液压阀,Bosch气动阀,Bosch Rexroth液压元件,力士乐Rexroth节流阀,Bosch Rexroth力士乐截止阀,Bosch博世 Rexroth单向阀,Bosch Rexroth流量阀,Bosch Rexroth比例溢流阀,博世力士乐换向阀,Bosch博世力士乐Rexroth压力阀,Bosch博世Rexroth力士乐比例阀,比例阀, Bosch博世Rexroth力士乐高频响阀和伺服阀,Bosch博世Rexroth力士乐先导式比例方向阀,Bosch博世Rexroth力士乐直动式比例方向阀,力士乐比例流量控制阀,博世力士乐高频响方式阀,博世力士乐伺服阀,力士乐Rexroth比例减压阀,Bosch博世Rexroth力士电子元件,力士乐Bosch Rexroth开关阀,力士乐Bosch Rexroth方向滑阀,力士乐Bosch减压阀,力士乐Bosch Rexroth方流量控制阀,力士乐Bosch Rexroth方截止阀-梭阀,力士乐Bosch Rexroth压力截止阀,力士乐Rexroth插装阀,力士乐Rexroth压力截止阀,力士乐Rexroth控制阀块。
博世Bosch Rexroth力士乐上海优势供应泵系列产品如下
博世力士乐Rexroth轴向柱塞泵,博世力士乐Rexroth径向柱塞泵,博世力士乐Rexroth联泵,博世力士乐Rexroth内啮合齿轮泵,力士乐Rexroth外啮合齿轮泵,博世Bosch Rexroth力士乐叶片泵,博世Bosch Rexroth力士乐变量泵,博世Bosch Rexroth力士乐定量泵
德国博世Bosch力士乐Rexroth工业传动液压件*供应
Bosch博世力士乐Rexroth德国产原装现货型号*
上海液压元件销售总代理
专业代理销售德国博世力士乐Bosch Rexroth液压气动元件 、德国博世力士乐Bosch Rexroth电磁换向阀液压气动元件、德国博世力士乐Bosch Rexroth轴向柱塞泵液压气动元件、德国博世力士乐Bosch Rexroth齿轮泵液压气动元件、德国博世力士乐Bosch Rexroth叶片泵液压气动元件、德国博世力士乐Bosch Rexroth溢流阀、德国博世力士乐Bosch Rexroth节流阀、德国博世力士乐Bosch Rexroth压力开关、德国博世力士乐Bosch Rexroth安全阀液压气动元件、德国博世力士乐Bosch Rexroth插装阀液压气动元件、德国博世力士乐Bosch Rexroth充液阀液压气动元件、德国博世力士乐Bosch Rexroth单向阀液压气动元件、德国博世力士乐Bosch Rexroth方向阀液压气动元件、德国博世力士乐Bosch Rexroth盖板液压气动元件、德国博世力士乐Bosch Rexroth减压阀液压气动元件、德国博世力士乐Bosch Rexroth节流阀液压气动元件、德国博世力士乐Bosch Rexroth截止阀液压气动元件、德国博世力士乐Bosch Rexroth冷却器液压气动元件、德国博世力士乐Bosch Rexroth流量阀液压气动元件、德国博世力士乐Bosch Rexroth升降阀液压气动元件、德国博世力士乐Bosch Rexroth顺序阀液压气动元件等。