MAA modified carbon black was beneficial to lower the rolling resistance of BR and NR vulcanizates, and beneficial to improve the wet skid resistance of NR vulcanizate.是什么意思_MAA modified carbon black was beneficial to lower the rolling resistance of BR and NR vulcanizates, and beneficial to improve the wet skid resistance of NR vulcanizate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句