短語詞組短語pumping deep well 深抽減載技術(shù)pumping oil well 抽油機(jī)井pumping unit well 抽油機(jī)井waterflooding pumping units well 水?dāng)烦橛蜋C(jī)井pumping irrigation well 辳用機(jī)井pumping relief well 抽水減壓井irrigation pumping station well 灌溉井PUMPING FROM WELL POINT 井點(diǎn)抽水pumping depression well 抽水減壓井 返回 pumping well