survey meter

• 测量仪

survey meter的用法和样例：

例句

1. To solve the problems with the measuring of the verticality of oil well pump liners, a simple measuring meter is designed.
   为解决抽油泵衬套垂直度测量较困难的问题，根据抽油泵衬套的特点，设计了抽油泵衬套垂直度简易测量仪。