基本解释观察水准仪同根派生 sighting-level相关词英汉例句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。sighting-level更多例句