英语词典
The rubber itself contains and ingredient called Antiozonant.
橡胶本身的原料叫抗臭氧剂。
互联网摘选
A complex technology that antiozonant 4020/ 4010NA and intermediates are made from aniline and actone was introduced. The technology is advanced, ripe and no waste. The each unit has good economic benefit.
概述了橡胶防老剂4020/4010NA及中间体合成技术,此技术具有工艺先进、成熟,无三废污染等优点,且各单元都有良好的经济效益。
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