| 释义 |
oil well pump
基本例句
n.抽油泵
用作名词To add a new unit under the pump,it makes the oil tube telescopes elastically as theoil well pumpmoves up and down.在泵下增设一个新装置，使抽油泵上下运动时，油管产生弹性伸缩。
The electric heating subsurface pump is a pump combining the monobarrel pump with the electric heating sucker rod.电加热抽稠泵是将整筒抽油泵和电加热抽油杆结合为一体的抽油泵。 |