a new method of surveying cross section map is introduced and the method is simple and convenient and can raise operational efficiency and work quality.
今介绍一种新的测绘横断面图操作方法。该方法不仅简单灵活,而且能提高工作效率以及保证工作质量。
a method of surveying cross section map is introduced unwanted center line piles. the method is simple and convenient, and can raise operational efficiency and work quality.