• 水准仪

levellig水准测量leveln.数量；等级；水平；水平线adj.平的；等高的v.弄平；夷平；对准adv.<废>水平地Level after level they climbed.他们爬过了一层又一层。level fluctuation of molten metal液位波动level of modernization in weapons武器装备现代化水平level of urban-ruralinteraction城乡一体化水平Level bridles shall be avoided.应避免使用液位抑制器。Level spaces of fuzzy-real line模糊实直线的水平空间level - grading teaching method分层升降教学法Level of Universal Service Charge全面服务收费水平level-to-level administration分级管理level of glossary expression form词汇语法形式层次

1. Construction workers are measuring distances with a level.
   施工人员正在用水准仪进行测距工作。
2. 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。