blow-off

blow-off cock

[机] 排气栓

blow-off line

[化] 放气管道; 排汽管道; 排污管道

blow-off pet cock

[机] 排气栓

blow-off pipe

[化] 排出管; 放水(或气,汽)管; 排污管

blow-off point

[化] (塔板)吹开点

blow-off valve

[化] 排料阀; 放空阀; 放泄阀

blow-off(pet)cock

[化] 排气栓; 排气小栓