短語詞組短語oil pumping with rod 有桿抽油pumping by rod pump 桿式抽油泵pumping with rod 有桿泵pumping sucker rod 抽油桿pumping rod diameter 桿徑coiled pumping rod 連續(xù)抽油桿hollow pumping rod production 空心桿采油continuous pumping rod 連續(xù)抽油桿double hollow pumping rod 雙空心桿 返回 pumping rod