Long sleeved top, with new ultra comfortable flat seams, relocated forward and roll neck.
长袖顶部，用新的超舒适平缝，搬迁向前滚动的脖子。
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。
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。
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