refined naphthalene的意思|示意
美 / rɪˈfaɪnd ˈnæfθəli:n /
英 / rɪˈfaɪnd ˈnæfθəˌlin /
精制萘
refined naphthalene相关短语
1、 refined naphthalene production 精萘生产
refined naphthalene相关例句
The purity of refined naphthalene could be more than 99.5 % by said fractional crystallization process.
通过分级结晶提纯过程,可获得纯度达到99.5%以上的精萘产品.
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