shear breakdown的用法和樣例：
例句
- In mining, if the hard roof is submitted to shear failure, the sidesteps might sink or even collapse.
摘要綜放面開采過程中，堅硬頂板超前剪切破壞，會造成工作面臺階下沉，甚至工作面整體垮落。 - This author proposes to force roof carving to prevent shear failure by observing the mine pressure.
通過礦壓觀測，判斷頂板來壓方式，采取強制放頂，防止頂板剪切破壞。
詞匯搭配
- break down 分解；發生故障；失敗...
