The outcrop of the bed is then drawn through the intersecting contour points bearing in mind the closure directions anticipated from the rule of vs . 考虑到V字形法则预计的圈闭方向，通过等高线交点勾出岩层的露头线。
2.
Test the product based on the flatness of the ground after installation to ensure all the feet or points bear stress evevnly 安装后根据地面的平整情况对产品进行调试，确保各个脚或受力点受力均匀。
3.
The outcrop of the bed is then drawn through the intersecting contour points bearing in mind the closure directions anticipated from the rule of vs 考虑到v字形法则预计的圈闭方向，通过等高线交点勾出岩层的露头线。
