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。
emission standard的相关资料:
临近单词
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