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air bleeding valve
chem. 排气嘴
plast. 排气阀; 通风阀
air bleed valve
hydroel.st. 排气阀; 放气阀
tech. 空气量孔阀; 放气阀 (门)
air-bleeding valve
dril. 排气阀
air bleeding valve: 3 phrases in 2 subjects
Aviation2
Technology1