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
I see her about three times a month.
我一个月见她三次。
To convert defeat into victoty.
反败为胜。
Such creatures have rarely been seen alive by man as they live at a depth of six hundred feet.
人们很少能看到活着的这类动物，因为它们生活在600英尺深的水下。