The decision model has practical value to the rational development of flat seams in China.
本文的决策模型对我国近水平煤层的合理开发有实用价值。
If seams are not fell flat, you must ensure seams are serged to cover the raw edges.
如果接缝不是外包边，必须确保缝头锁边。
On the contrary, flat and smooth seams are far more difficult to make. Besides, perfectly tailored clothing fits fewer customers.
相反，要使缝线平滑规整就难太多了。而且，缝制精美的衣服适合更少数的顾客。
If seams are not fell flat, you must ensure seams are serged to cover the raw edges and thus prevent raveling.
如果接缝不是外包边，必须确保缝头锁边并遮住毛边防止散边。
On the basis of probability integration method for flat coal seam, the paper discusses surface subsidence random medium model for mining inclined seams with an Angle of a.
在水平煤层概率积分法的基础上，讨论了开采倾角为口的倾斜煤层的地表下沉随机介质模型。
On the basis of probability integration method for flat coal seam, the paper discusses surface subsidence random medium model for mining inclined seams with an Angle of a.
在水平煤层概率积分法的基础上，讨论了开采倾角为口的倾斜煤层的地表下沉随机介质模型。
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