It has been improved the disadvantage of large shrinkage-rate in light-weight wall materials by adding additive.
通过掺加添加剂，有效地改善了轻质墙体材料通常存在的收缩率大的缺点。
Light weight and mobility have been manufactures in various forms using different materials and systems, such as extending furniture, in-wall-bed and partitions, etc.
重量轻和移动性体现在不同形式上，使用了不同的材料和系统，如可伸展的家具、壁床、分区等等。
The material and technical performance of the wall board are described and its economic and social benefits are analyzed by comparison with other light weight wall materials.
介绍该墙板的材料构成及技术性能，通过与其他轻质墙体材料的比较，对其经济和社会效益作了分析。
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