水力最优断面是指（）的渠道断面。 -题库考试答案搜索网

水力最优断面是指（）的渠道断面。

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2021-07-17 23:36

A、造价最低
B、糙率最小 
C、在<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/35292f2f-2fd3-494d-bf03-ed57bf26cf7a.gif"title="ex_1257560059633_0.gif" alt="ex_1257560059633_0.gif"/>一定时，过流面积<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/94e4b12a-546a-44ad-aee3-7cd2502f5e7b.gif"title="ex_1257560081543_0.gif" alt="ex_1257560081543_0.gif"/>最大
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/435d27a6-32ec-4902-9ed7-6189797795ab.gif"title="ex_1257560106560_0.gif" alt="ex_1257560106560_0.gif"/>在一定时，过流面积<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/e2cba6b5-a166-4464-b722-59650ae29f66.gif"title="ex_1257560130138_0.gif" alt="ex_1257560130138_0.gif"/>最大

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标签：给排水工程技术高起专水泵风机与站房 2019级第三学期期末考试给排水科学与工程专升本 2019级毕业清考（考试分）清考

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