以下为句子列表：
英文: For Imola, the width of the main profile has been reduced, while the horizontal section of the endplates has been increased by the same amount - around 4cm.
中文: 在伊莫拉，鼻翼主体的长度被缩短大约4公分，同时鼻翼侧板水平的部份大约也增加这麽多。
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英文: In order to study basic roof's destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction
中文: 摘要为研究急斜煤层水平分段放顶煤开采过程中基本顶破坏活动对工作面的影响，根据急斜煤层基本顶具有倾斜狭长板的特点，运用弹性薄板理论对基本顶岩层进行了拉应力分析，得出了顶板破断的判别准则，建立了基本顶初次破断后形成的“铰接结构”的力学模型。
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