... 特别是在企业有着广泛的应用 » Especially widely used in business 老顶 » The main roof 我会说一口流利的英语！ » I can speak good English! ...
基于94个网页-相关网页
... 弱顶板 poor roof 屋顶板 roof deck; roof slab; roofing board; shingle 主顶板 main roof ...
基于10个网页-相关网页
main roof collapse 老顶垮落
main roof stratum 老顶岩层
main roof block 老顶岩块
main roof strata 老顶岩层
main roof failure 老顶失稳
main roof breaking 老顶断裂
breaking of main roof 老顶板块破断
main roof rotary angle 老顶回转角
key stratum of main roof 老顶关键层
The main roof can form suspension roof. The periodic weighting pace is 16.9-10m, and the average pace is 13.7m. The dynamic load factor is 1.4.
通过现场实测,分析得出了边角煤工作面矿压显现和顶板运动规律,工作面顶煤与直接顶的初次垮落步距为12.1m,老顶的初次来压步距为36.9m,动载系数为1.46,老顶能够形成悬顶结构,周期来压步距为16.9～10m,平均13.7m,动载系数为1.4,老顶来压较明显。
参考来源 - 厚煤层边角煤开采灾害防治及安全技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The long shallow slope on the main roof at the entrance is inspired by the angle of repose of the local soil.
入口主屋顶上长长的斜坡受到当地土壤的自然倾角的启发。
The main roof has three basic structure forms: dynamic arch, arch-beam and beam.
老顶存在三种基本结构：类拱式、拱梁式和梁式。
The intervals of main roof weighting at work faces were predicted by using artificial neural network.
利用人工神经元网络对工作面的顶板来压步距进行了预测。
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