题目内容

根据现行《室外排水设计规范》,雨水管段最小覆土厚度,在车行道下时,一般不小于()m。

A. 0.3
B. 0.6
C. 0.7
D. 1.0

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以下哪些选项是雨水管段水力设计步骤()

A. 划分流域与管渠定线,确定雨水流向
B. 划分设计管段与沿线汇水面积
C. 确定雨量参数的设计值
D. 确定管渠的最小埋深
E. 进行水力学计算

Slowing economic growth around the world is the World Bank’s goal of ending by the year .

The United Nations says extreme poverty is a condition in which basic human needs are being or met. These needs include having , food and an education.

影片中色彩运用是在客观基础上的主观创作,可以采用统一色彩、对比色彩、多元色彩和局部色彩等方法进行。

A. 对
B. 错

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