return pump
短语词组
- return sludge pump 廻流汙泥泵
- boiler return circulating pump 鍋爐廻水循環泵
- return drain pump 疏水泵
- return flow pump relay 廻油泵繼電器
- return sludge pump coupling 廻流汙泥泵聯軸器
- return pressure pump relay 返廻壓力泵繼電器
- return -pump E 廻壓油泵
- Oil return by pump reversal 泵浦反轉廻油 返回 return pump