短語(yǔ)詞組短語(yǔ)air -mixed pumping 水泵挾氣air balanced pumping unit 氣動(dòng)平衡抽油機(jī)air r pumping 氣舉采油air pumping cupping method 抽氣罐法air pumping rate 抽氣率 返回 air pumping