• 结果表明采空区不会发生冲击地压灾害可能发生局部冒顶

    The result showed that the mined-out area can not induce impact ground pressure hazard, but partial caving may occur.

    youdao

  • 初步给出了局部冒顶监报指标确定方法;重点探索了采用回采工作面综合判断指标来预报顶板来压的可能性

    The method of determining the index for predicting local roof fall has been given, the possibility of using a comprehensive index for roof weighting prediction has been discussed in detail.

    youdao

  • 金川矿区由于特殊地质条件,巷道局部发生冒顶现象较多。

    Due to the special geologic conditions of Jinchuan mining area, the phenomena of roof collapse in local drifts is quite common.

    youdao

  • 金川矿区由于特殊地质条件,巷道局部发生冒顶现象较多。

    Due to the special geologic conditions of Jinchuan mining area, the phenomena of roof collapse in local drifts is quite common.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定