垮落 meaning in English

caving
◇垮落采煤法 caving method

Probe into methane geological law in anlin coal mine
工作面老顶初次垮落机理的探讨
Theory analysis of gas hazard incident caused by roof caving
顶板垮落诱发瓦斯灾害的理论分析
Plasticity analysis and numerical modelling of tunnel collapse in cohesive soil
黏土中隧道垮落的塑性分析和数值模拟
First roof caving
直接顶初次垮落
Numerical simulation of failure process of overburden rock strata caused by mining excavation
采动影响下覆岩垮落过程的数值模拟

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