| 释义 |
pump well pʌmpwel 短语¹³¹⁶²⁰⁺³
基本英英例句
泵井
Noun:
an enclosure in the middle of a ship's hold that protects the ship's pumps For screw pump well, the following accidents, such as rod breaking, wax locking and pump burning, always happened.
螺杆泵井运行过程中经常出现杆柱断脱、蜡卡、烧泵等现象。 cnki |