单词：failure in shear
failure in shear的用法和样例：
例句
- In mining, if the hard roof is submitted to shear failure, the sidesteps might sink or even collapse.摘要综放面开采过程中，坚硬顶板超前剪切破坏，会造成工作面台阶下沉，甚至工作面整体垮落。
- This author proposes to force roof carving to prevent shear failure by observing the mine pressure.通过矿压观测，判断顶板来压方式，采取强制放顶，防止顶板剪切破坏。
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