• 通过采用含空直孔掏槽方式、反向起爆合理选择微差起爆时间,桩井爆破平均利用率达到90 %。

    Through adopting the parallel cut and inverse initiation, and selecting correct delay-interval, an average blasting efficiency of 90% had been achieved.

    youdao

  • 为了考查爆破参数采用数值模拟方法研究自由爆炸作用问题。

    To investigate the parameters of parallel cut blast without empty holes, an advanced numerical method is used to study the explosion effect of charge in hole perpendicular to a free surface.

    youdao

  • 含空爆破参数设计提供了依据。

    The study has provided a ba se for design of blasting parameters of parallel cut.

    youdao

  • 含空爆破参数设计提供了依据。

    The study has provided a ba se for design of blasting parameters of parallel cut.

    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