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bridg.constr. 倒灌风
chem. 倒风; 向下通风
construct. 下降通风
skydive. 下沉气流; 向下气流
tech. 向下抽风; 下向气流; 下吸式通风; 立管的下流气流; 倒灌 (风); 下泄; 下向通风; 下吸; 倒烟
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: 16 phrases in 1 subject
Technology16