coal pillars

 
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Coal pillars的用法和样例:

例句

  1. Dividing partition coal pillars and region coal pillars, and selecting parameter are key to prevent disaster.
    区分隔离煤柱和区内煤柱,选择合理开采参数,是防止灾变的关键。
  2. On the basis of these, the coal pillars can be kept stable by adjusting and controlling the destabilization conditions.
    根据这些特性,可通过调控煤柱失稳条件使之不失稳,达到控制煤柱稳定的目的。
  3. The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining.
    根据短壁开采条件下保护煤柱的布设特点,建立由保护煤柱支承的关键层力学分析模型。
  4. Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress.
    其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况,得到了一些认识;
  5. Medium and small coal mines in north of Shaanxi Province generally adopt longwall remaining coal pillars support mining.
    摘要长壁留煤柱支撑法开采是陕北中小煤矿普遍采用的一种采煤方法。
  6. The coal pillar has mode-soft behaviour, so it is possible to estimate the destabilization.
    煤柱失稳还具有模态软化特性,可以对失稳的可能性进行佑计。

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