KP type oil demulsifying agent developed by Beijing General Research Institute of Mining & Metallurgy is a new kind of compound demulsifying agent.是什么意思_KP type oil demulsifying agent developed by Beijing General Research Institute of Mining & Metallurgy is a new kind of compound demulsifying agent.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句