contra-propeller(整流板) Control hydraulic(控制液压) 还有相关的词语也可以参考,也许有用 液压驱动泵 medium 液压泵 fluid clutch 液压回路 Hydraulic circuitv 进油和回油节流调速 Flow control valves in inlet and outlet lines 双缸顺序控制Sequence control with two cylinders 快进回路 Rapid-traverse feed circuit 差动回路 Differential circuit 分流阀 Flow divider 位移-步骤图 Displacement-step diagram 电液压系统 Electrohydraulics 阀类 Solenoid valve 电磁阀 Check valve 单向阀 Cartridge valve 插装阀 Sandwich plate valve 叠加阀 Pilot valve 先导阀 Pilot operated check valve 液控单向阀 Sub-plate mount 板式安装 Manifold block 集成块 Pressure relief valve 压力溢流阀 Flow valve 流量阀 Throttle valve 节流阀 Double throttle check valve 双单向节流阀 Rotary knob 旋钮 Rectifier plate 节流板 Servo valve 伺服阀 Proportional valve 比例阀 Position feedback 位置反馈 Progressive flow 渐增流量 De-energizing of solenoid 电磁铁释放 介质类 Phosphate ester (HFD-R) 磷酸甘