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在均质的岩体中,下面巷道断面最不利的形状是()。

单选题
2022-06-29 09:01
A、圆形
B、椭圆形
C、拱形
D、矩形
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正确答案
D

试题解析

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逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
在均质的岩体中,下面巷道断面最不利的形状是()。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
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