单词：non-catalytic hydrogenation
[化] 非催化氢化
单词：non-catalytic hydrogenation 相关文章
Diesel fuel in the US and the fumes from diesel engines are about to get a whole lot cleaner. As of today, the Environmental Protection Agency is requiring much of the diesel in the country to have 97% less sulfur in it. It's the start of a project
发表于:2019-01-07 / 阅读(310) / 评论(0)
2006年NPR美国国家公共电台
2006年NPR美国国家公共电台
Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转
发表于:2019-02-08 / 阅读(235) / 评论(0)
英语新闻
英语新闻