roof fall
- roof fall的基本解释
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(隧洞等的)掉顶
- 更多网络例句与roof fall相关的网络例句 [注：此内容来源于网络，仅供参考]
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A (Reporter Chen Ke-based special correspondent) on April 9 in the afternoon, about a 15-year-old female junior high school students from urban schools Dahua Road next to the residents of a roof fall in the fall Separated by a wall of the school playground.
本报讯（记者陈敏特约记者柯贤基）4月9日下午，一名年约15岁的女初中生从市区大华路一学校旁的一幢居民楼顶坠下，掉落在一墙之隔的学校操场上。
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Meantime, based on the migratory characteristics of main roof fall, the main roof were divided into some plate group and plate group mechanical model was established for main roof with different crannies and fault ages.
同时针对深部采场顶板岩体垮落具有局部、分段、迁移的时空特征，将长壁工作面采场顶板划分成若干个相互铰接的薄板，建立了薄板组力学模型。
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However, the scaled exploration and usage of coal come with the mine gas blast, roof fall, water permeating, the death of mine workers and the smog hanging over London and Maas Valley.
然而与煤炭的大规模开采和应用相伴的是煤矿瓦斯爆炸、冒顶、透水和矿工死亡，是笼罩在伦敦和马斯河谷上空不散的烟雾。
- 更多网络解释与roof fall相关的网络解释 [注：此内容来源于网络，仅供参考]
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roof foundering：顶落作用
落盘 roof fall | 顶落(作用) roof foundering | 顶翼 roof limb
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shed roof：只有单面倾斜的屋顶
flock:畜群 | shed roof:只有单面倾斜的屋顶 | fall down:倒塌,跌倒
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The weight of the snow on the roof caused the shed to collapse：棚顶积雪的重量使小棚倒塌
collapse: fall down, come to pieces suddenly 倒塌 | The weight of the snow on the roof caused the shed to collapse. 棚顶积雪的重量使小棚倒塌. | 4. grab: take roughly 抢夺