cross level
英
美
- 横巷,横向水准器,横向水准仪
双语例句
- Construction workers are measuring distances with a level.
施工人员正在用水准仪进行测距工作。 - It is easy to use a water level to measure things, but you need to do many experiments before mastering it.
水准仪的测量方法很简单，但也需要通过多次的实践才能够掌握。
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