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题目内容
(遵义职业技术学院建筑施工技术)
一般施工现场排水沟的横断面和纵向坡度不宜小于( )。【3分】
A. 0.4m×0.4m,0. 2%
B. 0.5m×0.5m,0.1%
C. 0.5m×0.5m,0. 2%
D. 0.4m×0.4m,0.1%
A. 0.4m×0.4m,0. 2%
B. 0.5m×0.5m,0.1%
C. 0.5m×0.5m,0. 2%
D. 0.4m×0.4m,0.1%
参考答案