题目内容

急流槽的纵坡不宜超过( ),同时应与天然地面坡度相配合。

A. 1:1.5
B. 1:2.0
C. 1:2.5
D. 1:3.0

查看答案
更多问题

对于滑坡顶面的地表水,应采取( )等措施处理,以防地表水流入滑动面内。

A. 渗沟
B. 暗管
C. 截水沟
D. 检查井

洞式渗沟的洞壁宜采用( )砌筑。

A. 浆砌片石
B. 干砌片石
C. 土工织物
D. 粗粒透水材料

Those who consider the poverty line high point out that ______.

A. the poor people enjoy other benefits
B. the society as a whole is not well-off
C. the poor people may conceal their real income
D. the poor people need less money to support themselves

排水沟的线形要求平顺,转弯处宜做成( )。

A. 直线形
B. 抛物线
C. 折线形
D. 弧线

答案查题题库