Bronze - colored aluminum alloy frame, hidden binding structure, board produced with imported assembly line, with high standard and qualith.
古铜色铝合金边框,隐蔽式装钉结构,进口流水线设备生产板面,高档次,高质量。
The main binding material of lightweight partition board is high-magnesium cement.
轻质隔墙板其主要胶凝材料为镁质水泥。
Limp binding: a style of binding books with cloth or other type of flexible materials for covers and made without board.
软皮装:书籍装订的一个款式。它用布或其他柔软材料作书皮,不加纸板。
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