居住区内新建的排水系统一般采用的是
A.分流制
B.合流制
C.组合制
D.自流制
正确答案是A
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/450367.html
上一篇:设矩阵A的秩为r,则下列结论正确的是()
下一篇:①Green is an important color in nature. It is the color of grass and the leaves on trees. It is also the color of most growing plants.②Sometimes, the word green means young, fresh and growing. Sometimes, it describes something that is not yet rip