corrosion-proof valve 防腐蚀阀 ; 防腐汽门
explosion-proof valve [电] 防爆阀
acid-proof valve 耐酸阀
acid proof valve 耐酸阀
Galvanized sheet fire proof valve 镀锌板防火阀
dust-proof solenoid valve 防尘型电磁阀
explosion-wave-proof valve 防爆波阀门
explosion-proof solenoid valve 防爆型磁阀 ; 防爆型电磁阀 ; 防爆型仪器仪表
wltvr-proof solcnoid valve 防水型电磁阀
GPA-1 oil inlet will be installed with an adverse proof valve to avoid the dripping of oil when the processing stops. Thus there is no need to reset the volume of oil spray for the next process.
入油口加装止逆阀，可避免加工停止时油品垂滴，及不需于下次加工时重复设置油雾量。
For the actuators with pneumatic diaphragms or air cylinders the matching flame-proof type electric-gas valve positioner shall be provided together with the valve.
执行机构采用气动薄膜或气缸执行机构的，随阀提供配套隔爆型电？气阀门定位器。
Parametersoff corrosion proof three-function valve and its develolpment are introduced in the paper.
介绍了防腐三用阀的性能参数，及其研究过程。
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