emission standard

英 美
  • 排放标准
  • emission n.散发;发行;排放
  • standard n.标准;规格;水准;军旗adj.标准的;普通的;规范的;权威的
    1. One set of provisions tightens emission standards.
      一套使排放标准更加严格的规定。
    2. 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。