* 圆管层流运动过流断面上的最大流速 umax 与平均流速 v 之比 umax:v= 。 -题库考试答案搜索网

* 圆管层流运动过流断面上的最大流速 u_max 与平均流速 v 之比 u_max:v= 。

单选题

2021-07-17 23:36

A、<span style="font-size:16px;font-family: 'Times New Roman','serif'">4 </span>
B、<span style="font-size:16px;font-family: 'Times New Roman','serif'">3</span>
C、<span style="font-size:16px;font-family: 'Times New Roman','serif'">2</span>
D、<span style="font-size:16px;font-family: 'Times New Roman','serif'">1</span>

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正确答案

C

试题解析

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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