The position of the plungercylinder is measured by a linear position transducer.
活塞杆的位置是通过一个线性位置传感器测量的。
2
It can be used to energise the plungercylinder if the control voltage of the servo circuit has failed.
可以在没有伺服回路的控制电压时激活活塞杆。
3
In addition, this kind of hydraulic pumping unit will be simple and convenient to machine, operate and maintain, because the double-acting hydraulic cylinder will be replaced by a plungercylinder.