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
All packed and ready.
都打包好了。
He that never rode never fell.
不骑马就永不会从马上跌下。
When he woke up next morning, he discovered that the boat had, in the meantime, travelled to Calais.
第二天早上他醒来时，发现船在这段时间已经到了加。