vertical working position
常见例句
- However, because the working face is located on the slope, the position of the largest vertical displacement is slightly facing the direction of fall.
由于地表倾角较小，地表下沉值最大的位置略微偏向地表倾向方向，且工作面两侧地表沉降影响范围和水平位移不同。 返回 vertical working position