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air valve
agric. 风扇进风门
auto. 气压表
avia. 空气活门
el. 空气门
hydroel.st. 气阀; 空气阀
mech.eng. 气阀
met. 空气阀门
space 气门
tech. 通风阀; 排气阀
water.res. 通气阀
air valve: 408 phrases in 34 subjects
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