pressure-operated switch waterflow initiating device
压力动作开关水流启动装置
pressure-operated switch waterflow alarm
压力动作开关水流报警器
Application of soft start up control in oil pressure device of tubulous hydropower station
软启动控制在贯流式水电站油压装置中的应用
Internal stops provide positive over travel protection for power actuated valves and act as a reference to position the discs in the open and closed positions.
内置的止动装置为动力执行机构提供行程保护，并且作为参考坐标在开启和关闭位置定位阀瓣。
auxiliary power unit control switch
辅助动力装置控制开关
When you turn a switch, you can easily operate lighting, heating or power-driven electrical devices.
旋动开关，就业能轻而易举地启动照明装置、供热装置和电动装置。
vane-type water flow alarm initiating device
叶片式水流报警启动装置
Research on Throttle Characteristics of HTD
制动力液压传力装置的节流特性研究
automatic oil-water pressure safety cutout device
油-水压力自动安全停车装置
Start-up Fault Analysis of High Power Hot Water Pump in LDPE Plant
高压聚乙烯装置大功率热水泵启动故障处理
hydrodynamic unit change pressure
液力传动装置充油压力
extinguishing system operation initiation device
灭火系统操作启动装置
To move(a lever or switch)in order to activate, deactivate, or control a device.
启动移动一个（杠杆或开关）以开动、关闭或控制一个装置
hydraulic motor actuator
水力发动机传动装置
A tripping or triggering device on a mechanism.
倾卸装置、钩杆机械装置上断开或启动的装置
"After the engine starts and the ignition key is released, spring pressure returns it to the ON position."
发动机启动以后,点火钥匙回转,在弹簧的压力下,恢复到"开启"位置。
Study on Colligate Optimal Kinematics and Dynamics Design of Hydraulic Excavator s Parametric Modeling;
液压挖掘机工作装置运动与动力综合优化研究
Self-driven Reciprocating High Pressure Stream Bubble Scour Devic
自驱动往复式高压水射流泡沫冲砂装置研究