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reciprocating air compressor
el. 往复式空气压缩机
expl. 往复式空压机利用活塞或隔膜在缸体内的往复运动,改变腔室容积,抽人和压出空气的机械
tech. 活塞式空气压缩机
reciprocating air compressor
: 1 phrase in 1 subject
Technology1