單項選擇題臨時性挖方一般(硬)黏性土邊坡值應為()。

A.1:0.75~1:1.00
B.1:0.50~1:0.75
C.1:0.30~1:0.75
D.1:0.30~1:0.50


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1.單項選擇題臨時性挖方砂土(不包括細砂、粉砂)邊坡值應為()

A.1:1.25~1:1.50
B.1:0.75~1:1.00
C.1:1.00~1:1.25
D.1:0.50~1:1.00