barrel oil pump

英 [ˈbærəl ɔɪl pʌmp]

美 [ˈbærəl ɔɪl pʌmp]

筒袋式油泵

化学

双语例句

• Study of the method for calculating the clearance leakage between the plunger and the barrel of oil well pump
  抽油泵柱塞与泵筒间隙漏失量计算方法的研究