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.
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。
