[化] 平光剂; 消光剂

flatting agent的用法和样例：

例句

The precipitated silica matting agent was synthesized by chem-deposit method,sodium silicate and sulfurric acid as raw materials,appending dispersant and surfactant.涂料中的消光剂是一类能够改变涂膜表面光学性能的助剂。

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2017CRI中国国际广播电台

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学英语单词

affirmative disclosure

bivalent heat pump heating system

blind-off nozzle