短語(yǔ)詞組短語(yǔ)pumping out system 泵出系統(tǒng);抽水系統(tǒng)pumping coupling system 泵浦耦合系統(tǒng)beam pumping unit system 游梁式抽油機(jī)系統(tǒng)oil pumping control system 采油控制系統(tǒng)pumping g system 泵水系統(tǒng)sewage pumping station system 污水泵站系統(tǒng)irrigation pumping station system 灌溉系統(tǒng)intermittent pumping control system 問(wèn)抽控制系統(tǒng)paste pumping filling system 膏體泵送充填系統(tǒng) 返回 pumping system