soft tar pitch 中文意思是什麼
soft tar pitch
解釋
軟焦油瀝青-
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
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