Synergistic Friction-reducing and Antiwear Action of Oxygen and Sulfur Elements in Sulfurized Docosanoic Acid as Additive in Rapeseed Oil是什么意思_Synergistic Friction-reducing and Antiwear Action of Oxygen and Sulfur Elements in Sulfurized Docosanoic Acid as Additive in Rapeseed Oil在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句