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。
It has been improved the disadvantage of large shrinkage-rate in light-weight wall materials by adding additive.
钢丝网架聚苯乙烯夹心板是一种性能优良的轻质墙体材料，具有诸多优点。
The plate made of wire gauze with polystyrene is a good lightweight wallboard material with many merits.
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。
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.
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