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。
Two kinds of light-shield agents of ZnO and carbon black were used to improve the ageing-resistance of polyacetal(POM).
聚甲醛生产工艺有均聚甲醛和共聚甲醛两种，本项目拟采用共聚甲醛工艺技术。
The production technique of polyoxymethylene can be divided into homopolymer technique and copolymer technique. In this project, copolymer technique will be applied.
设计：电动榨汁机与铸铝基地，不锈钢容器，聚甲醛共聚物过滤器和3刀大小。
Design: Electric juicer with cast aluminum base, stainless steel container, polyacetal copolymer strainer and 3 reamer sizes.
设计：电动榨汁机与铸铝基地，不锈钢容器，聚甲醛共聚物过滤器和3刀大小。
Design: Electric juicer with cast aluminum base, stainless steel container, polyacetal copolymer strainer and 3 reamer sizes.
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