The corrosion substance of crude benzol equipment is pyridine alkalies in washing oil, NH3, H2S, HCL, HCN and so on in coke oven gas.是什么意思_The corrosion substance of crude benzol equipment is pyridine alkalies in washing oil, NH3, H2S, HCL, HCN and so on in coke oven gas.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句