An EPU polyurea-calcium acetate composite lubricating grease is introduced and its high temperature performance, water-proof property, long bearing life under high temperature and EP property are also evaluated.是什么意思_An EPU polyurea-calcium acetate composite lubricating grease is introduced and its high temperature performance, water-proof property, long bearing life under high temperature and EP property are also evaluated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句