excavation cut slope to level -3.10

excavation cut slope to level -3.10m.

Results (Chinese) 1:

开挖路堑边坡水平-3.10 m。

Results (Chinese) 2:

开挖路堑边坡地级-3.10m。

Results (Chinese) 3:

开挖边坡的水平-3.10m。