首页/ 题库 / [单选题]工作面沿倾斜和仰斜方向及开切眼一侧煤体上的答案

工作面沿倾斜和仰斜方向及开切眼一侧煤体上形成的支承压力,在工作面采过一段时间后,不再发生明显变化,称为

单选题
2021-09-01 20:19
A、固定或残余支承压力
B、应力迭加
C、移动性或临时支承压
D、超前支承压力
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正确答案
A

试题解析

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