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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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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