备用隔膜泵
supplementary diaphragm pump
往复式活塞隔膜泵
reciprocating membrane pump
reciprocate membrane pump
reciprocating piston-diaphragm pump
往复式隔膜泵
reciprocating diaphragm pump
双缸隔膜泵
double cylinder diaphragm pump
料浆隔膜泵
Crushed materials diaphragm pump
液压驱动隔膜泵
Hydraulic driven diaphragm pump