单词：emission standard
emission standard的用法和样例：
例句
- One set of provisions tightens emission standards.一套使排放标准更加严格的规定。
- California still needs a waiver from the EPA in order to enforce its own emissions standards.加州要实施自己的排放标准，还必须从环保署取得弃权声明书。
单词：emission standard 相关文章
Beijing to ban vehicles that fail to meet emission standards BEIJING - Beijing will ban gasoline-powered vehicles that fail to meet the National Emission Standard II from entering the city's Sixth Ring Road starting January 1 of next year to cut poll
英国学生科学读本
The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous
英闻天下
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CCTV9英语新闻2013年09月
BEIJING, Jan. 23 (Xinhua) -- Beijing is planning to implement a harsher emission standard for motor vehicles starting next month in an effort to curb the city's air pollution, municipal environmental authorities said Wednesday. The new Beijing V emis
英语新闻
今天我们要学的词是gold standard。 Gold standard, 意思是同类事物的最高标准。 The iPhone is the gold standard in the smartphone market, iPhone是智能手机市场上最棒的产品。曾带领加州大学洛杉矶分校十次赢得
英语每日一词
The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous
英闻天下