短语
主蒸气阀提交
Main steam stop valve to be confirmed
蒸气电磁阀
solenoid valve for steam
;
solcnoid valveforsteam
节气阀蒸汽管
steam pipe of throttle valve
进口蒸汽气动球阀
Steam Pneumatic Ball Valve
过量蒸气调节阀
Excess steam pressure control valve
蒸气控制阀
Dampfregelventile
自动蒸气疏水阀
Automatic steam traps