coal tars
n. 煤焦油
coal tars中文，coal tars的意思，coal tars翻译及用法
2025-10-08 08:22 浏览次数 8
coal tars 英语释义
英语释义
1. tar obtained by distillation of bituminous coal and used especially as an industrial fuel, in making dyes, and in the topical treatment of skin disorders
2. a black, sticky liquid made from coal that is used as a fuel and to make various products (such as soap)
3. tar obtained by distillation of bituminous coal and used in the treatment of some skin diseases by direct local application to the skin
coal tars 例句
英汉例句
coal tars with different primary pi contents were carbonized under autogenerious pressure. the polymerizate was filtered at 150℃, and the filtered residue cake was washed with pyridine.
吡啶不溶物含量不同的煤焦油在密闭容器中聚合，产物在150℃下热过滤，滤渣用吡啶抽提得中间相炭微球。
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