海词手机词典

The result showed that SFAC could not only replace part of semireinforcement carbon black (SRF). highly wear-resisting carbon black (HAF) in rubber rollers,but also decrease rubber produce cost, and improve on processing technology.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌