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初次来压

网络first weighting; initial pressure

初次来压

初次来压

初次来压

first weighting

矿山术语 - 日的日志 - 网易博客 ... 顶板压力 roof pressure 初次来压 first weighting 周期来压 periodic weighting ...

initial pressure

初压,primary... ... ) first weighting 初次来压 ) initial pressure 初次来压 ) initial internal pressure 初始内压 ...

1

When coal face reaches a certain distance , the pressure arch is destroyed and the initial weighting occurs.

当采场推进到一定距离时，拱结构失稳破坏，产生初次来压；

2

Calculation on first roof weighting interval in No21303 fully -mechanized working face of Huojitu mine

活鸡兔井 21303 综采工作面顶板初次来压步距的计算

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