washing oil的意思|示意

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washing oil相关例句

Indole consists in washing oil of coal tar.

煤焦油洗油(以下简称洗油)中含有吲哚.

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Meanwhile, the effective measures to lower washing oil consumption on production are studied.

同时, 亦从操作角度研究了降低洗油消耗的有效措施.

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