英语语法分析

This strip is composed of an intumescent material which swells when subjected to fire.

这种狭条是用受到燃烧时发生膨胀的热胀材料组成的。

The influence of surface preparation agents on intumescent flame retardant system was researched by cone calorimeter.

利用锥形量热仪研究了表面处理剂对膨胀阻燃体系的影响；

Some porous metal phosphates were prepared by hydrothermal synthesis, and were used in the intumescent flame retardant PP.

采用水热合成的方法制备多种多孔金属磷酸盐，并将其与膨胀阻燃剂组成新型聚丙烯协效阻燃体系。