?往复式塔

reciprocating cold oil pump ==> 往复式冷油泵 reciprocating column ==> 往复式塔 reciprocating compressor ==> 往复式空气压缩机,往复式压气机,活塞式压缩机=>往复形圧缩机 ..

?往复柱

... 速度倒数区 reciprocal velocity 往复柱 reciprocating column 往复式压缩机 reciprocating compressor ...