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阀推杆 [fá tuī gǎn]
[机] valve follower
- 型则是通过推杆推动摇杆带动阀板开启卸灰与锁气，随电气控制系统的设定程序，可以使上、下阀板交替开启、关闭。
Program controlling system of type Ⅱ with electric-pneumatic can open and close the top and bottom disc alternately. - 首先，控制阀推杆回位弹簧被压缩，控制阀推杆连同空气阀柱往前移。
First of all, putting control valve return spring is compressed, control valves putter move forward with the air valve stem. - 回转阀只作开关作用，通过电磁阀控制气动推杆气源来指令推杆动作，完成切换动作。
The rotary valve is used to be switch. The electromagnetism valve controls the gas source of pneumatic draw stem and drives the draw stem to switch the valve.
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