阐述了采煤过程中底板岩层在矿压作用下的变形特征及其规律。
This paper describes characteristics and regularity of deformation of floor rocks under ground pressure.
黄厚纸板、红硬纸板、PVC板、白卡纸、鸡皮纸、纤维中底板以及塑胶板等。
Yellow thick paper board, red hard paper board, PVC board, ivory cardboard, sulphite paper, insole fiberboard and plastic board, etc.
骏威纸板厂是一家专业从事纸板生产的企业，公司生产高级酒红板、橙板、灰板及各种高中低档中底板。广泛用于鞋类，箱包及其它相关行业。
Manufacturing high class red board, orange board, gray board and all kinds of high-mid class board. Widely used in shoes, luggage and related products.
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