馏分油中的石油酸是造成馏分油加工设备腐蚀，馏分油产品使用性能不合格的主要原因。

Petroleum acid in the fraction oil is the main reason that the fraction oil processing equipment to corrode, fraction oil product operational perform(?) nce unqualified.

youdao

馏分油中的石油酸是造成馏分油加工设备腐蚀，馏分油产品使用性能不合格的主要原因。

Petroleum acid in the fraction oil is the main reason that the fraction oil processing equipment to corrode, fraction oil product operational perform(?) nce unqualified.

youdao