simplex power pump单杠曲柄泵;单缸曲柄泵;单杠曲轴弯曲部分泵
simplex steam pump coupling单杠蒸汽直动泵联轴器
simplex power pump coupling单杠曲柄泵联轴器
simplex plunger pump单缸柱塞泵
simplex steam pump单杠蒸汽直动泵;单缸蒸汽直动泵
simplex reciprocating pump单缸往复泵
simplex stehereas pump单杠蒸汽直动泵
simplex-duplex pump单效双泵
twin simplex pump双联单缸泵