operating valve meaning in Chinese

操纵阀
操作阀
动作阀
作用阀

Manually operated valves for natural gas dispensing systems
天然气分装系统手动控制阀
Pneumatic system - 2 - port solenoid operated valves
气动系统.二通电磁操纵阀
Pneumatic system - 3 - port solenoid operated valves
气动系统.三通电磁操纵阀
Electrically operated valves for use in hazardous classified locations
分类危险场所用电动阀
Automatic pressure - operated valves for natural gas dispensing systems
天然气分装系统用自动压力控制阀

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