refined naphthalene 中文意思是什麼
refined naphthalene
解釋
精練萘- refined : adj 精煉的，精製的；高尚的，優雅的，洗煉的；極微妙的，精密的，正確的。 refined salt 精鹽。 refine...
- naphthalene : n. 【化學】萘。
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Processor of coal tar from its coke - making operations, manufacturing soft pitch, refined naphthalene, benzene, toluene, and creosote oils. located in taiwan
-生產四甲基哌啶酮，四甲基哌啶醇，五甲基哌啶醇，四甲基哌啶胺，癸二酸，己酸，增塑劑，抗氧劑，熒光增白劑等 -
Crude refined naphthalene
粗精萘
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