... naphthenic oil 环烷基油 naphthenic residual oil 环烷质残油 national oil company 国家石油公司 ...
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After we alter the content of naphthenic acid in residual oil, comparing the corrosion speed when residual oil is in stationary and running.
改变渣油中环烷酸含量后,分别测定渣油在静止和流动时的年腐蚀速率并进行比较。
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