Kerosene is a by-product of petroleum refining.
煤油是提炼石油的副产品。
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.
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。
应用推荐