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.
广泛用于汽车火车船舶航空矿山机械石油机械五金工具等行业零件的锻造加工，是现代锻造生产者不可缺少的高精度锻造设备。
Fit for forging and processing for industry of auto, train, watercraft, aviation, mine machinery, petroleum machinery and hardware, necessary high precision forging equipment.
含硫化合物对石油加工及其产品应用的危害是多方面的，如腐蚀金属设备，造成催化剂中毒，影响产品质量等。
The harms of sulfides come from many aspects to petroleum refining and product application, e. g. eroding metallic equipment, making catalyst poisoning, affecting on products output.
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