[机] 抗爆性质, 防震品级

antiknock quality的用法和样例:

例句

  1. Some of phenol compound and oxygen containing compounds with tertiary butyl group were screened to use as gasoline antiknock additives.在实验过程中筛选出几种酚类化合物和叔丁基含氧化合物等作为汽油抗爆添加剂。

How important is quality to you? Its very important to me. Unfortunately, a lot of the time its also very expensive. But not all of the time. It depends on what you buy. I can buy very good quality clothes very cheaply. They are often the same qualit

发表于:2018-12-04 / 阅读(38) / 评论(0) 分类 听一分钟英文-Q

ACT I Where's Mom? 妈妈呢? She went to a school-board meeting. 她去参加联合校董事会会议了。 I don't know how she does it. 我不知道她怎么办到的。 She sure keeps busy. 她真的

发表于:2018-12-20 / 阅读(61) / 评论(0) 分类 走遍美国 Family Album U.S.A

We are responsible to replace the defective ones. 我们保换质量不合格的产品。 It's really something wrong with the quality of this consignment of bicycles. 这批自行车的质量确实有问

发表于:2019-02-01 / 阅读(47) / 评论(0) 分类 实用英语

The goods are available in different qualities. 此货有多种不同的质量可供。 Nothing wrong will happen, so long as the quality of your article is good. 只要商品质量可靠,就不会发

发表于:2019-02-01 / 阅读(50) / 评论(0) 分类 实用英语

BEIJING, June 7 (Xinhua) -- Disputes regarding the quality of Beijing's air have sparked criticism against the Chinese government for allegedly dismissing its responsibility to provide a better environment. The U.S. embassy in China releases hourly a

发表于:2019-02-04 / 阅读(47) / 评论(0) 分类 英语新闻

BEIJING, Jan. 28 (Xinhua) -- China lacks quality environment assessment agencies, according to a government report issued on Monday. The Ministry of Environmental Protection (MEP) publicized a report after a three-year survey into the country's envir

发表于:2019-02-07 / 阅读(70) / 评论(0) 分类 英语新闻