underground surveying的意思|示意

---

underground surveying相关短语

1、 Surveying underground 地下测量

2、 Underground Pipeline Detecting and Surveying 地下管线探测

3、 underground control surveying 地下控制测量

4、 underground pipeline surveying 地下管线探查

5、 underground engineering surveying 地下工程测量

6、 underground high range surveying 井下高程测量

7、 Surveying Point of Underground Pipeline 管线点