Double action reciprocating pump的意思|示意

双作用往复泵 ... 管道泵inline pump 双作用往复泵double action reciprocating pump 计量泵metering pump ...

双作用活塞式往复泵 ...径向多活塞式泵 piston type pump ; radial multiplepiston type of pump 双作用活塞式往复泵 double action reciprocating pump 径向多活塞式泵 径向多活塞式泵 radialmultiplepistontypeofpump ..