Whether to need in the existing technology premise too much progress polystyrene foamed plastic and polyurethane hard foam flame retardancy index?
是否需要在现有的技术前提下过多地进步聚苯乙烯泡沫塑料和聚氨酯硬质泡沫的阻燃性指标？
This paper mainly analyzes major existing quality problems in the current construction of our foam cement and puts forward views according to these issues.
本文对目前我国发泡水泥施工中存在的主要质量问题进行了分析，并对解决这些问题提出了自己的见解。
The invention solves the problems existing in the current polyurethane foam of lacking resource and low straw utilization.
本发明解决了现有制备聚氨酯泡沫的资源短缺、秸秆利用率低的问题。
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