Moreover, the characteristics and the main applied fields of polyacetal resin were presented.

并介绍了聚甲醛树脂特性和主要应。

1,3,5-trioxane is an important chemical used primarily as a monomer for the production of high-molecular weight polyacetals and secondarily as a chemical intermediate.

三聚甲醛是一种重要化工产,主要作生产聚甲醛工程塑料,也作化工中间。