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.
本文介绍一种不放线路中桩测绘横断面图的方法。该方法简单方便灵活，能提高作业效率和工作质量。
Draw a line down the center of a piece of paper and write them on one side; on the other side make a list of all the things you dislike, such as how it can interfere with your health, work, family.
在纸的中间画一条线，在一边写下这些好处，另一边列出吸烟的缺点，例如，它会如何地影响到你的健康，工作，家庭等。
The third part, after the civil war erupts, the support of front-line become the work center work of people's postal services.
第三部分，内战爆发后华北解放区邮政工作中心的转化。
The third part, after the civil war erupts, the support of front-line become the work center work of people's postal services.
第三部分，内战爆发后华北解放区邮政工作中心的转化。
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