压电泵; piezoelectric pump 压力补偿齿轮泵; pressure-balanced gear pump 压力水柜泵; hydrophor pump 压力油泵; pressure oil pump 压缩空气驱动泵; air operated pump 压缩空气驱动泵; compressed air pump 压载泵; ballast pump 盐水泵; brine pump 叶轮串并联泵; pump with series or parallel connection impellers 叶片泵; rotodynamic pump 叶片泵; turbo pump 叶片泵; vane pump 叶片可逆转的泵 -水轮机; turbine pump with reversible blades 谐振隔膜泵; resonance diaphragm