短語詞組短語pumping deep well 深抽減載技術pumping oil well 抽油機井pumping unit well 抽油機井waterflooding pumping units well 水敺抽油機井pumping irrigation well 辳用機井pumping relief well 抽水減壓井irrigation pumping station well 灌溉井PUMPING FROM WELL POINT 井點抽水pumping depression well 抽水減壓井 返回 pumping well