短语词组短語pumping -out test in steady flow 穩定流抽水試騐Interference pumping -out test 乾擾抽水試騐pumping station out of well 井泵站flow -diagram of pumping-out heating system 抽吸式系統流程圖pumping out system 泵出系統;抽水系統 返回 pumping out