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discharge fan
archit. 排气风扇; 抽风机
auto. 抽气装置
met. 排气; 排气扇
shipb. 排风机
tech. 单向排气扇; 风扇排风机
wind. 排风扇; 抽风扇
discharge fan
: 6 phrases in 4 subjects
Metallurgy2
Refrigeration1
Shipbuilding1
Technology2