英语语法分析

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

并介绍了聚甲醛树脂的特性和主要应用领域。

Also disclosed are articles of manufacture comprising the polyacetal compositions described herein.

本发明还公开包含本文所述的聚缩醛组合物的制品。

Two kinds of light-shield agents of ZnO and carbon black were used to improve the ageing-resistance of polyacetal(POM).

采用炭黑和氧化锌两种光屏蔽剂对共聚甲醛进行耐老化改性。