tunnel destruction是什么意思 tunnel destruction怎么读
tunnel destruction的用法和样例
- Through analyzing on the reason of large tilt angle face roadway destruction, corresponding efficient support measures are provided, and good technology economic results are made.
通过对大倾角工作面沿空留巷巷道破坏原因的分析,提出了相应的有效支护措施,收到了良好的技术经济效果。
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