This treatise introduces the method of calculating the length of the culverts constructed by the methods of making the frame piers at right angle and skew made for skew pipe culvert.
本文介绍了斜交正做和斜交斜做涵洞长度的确定方法，比较了二者的优缺点。
This treatise introduces the method of calculating the length of the culverts constructed by the methods of making the frame piers at right angle and skew made for skew pipe culvert.
本文介绍了斜交正做和斜交斜做涵洞长度的确定方法，比较了二者的优缺点。
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