Beam(-pumping) unit
[化] 抽油机
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
They decided to break up the partnership.
他们决定终止合作关系。
It can't be helped.
无能为力。
I'll go and look after the man, she said.
“我去照料那个人”，她说。