epa standard
EPA标准
双语对照
词典结果：
网络释义
1. EPA标准
例句:
1.
Within nine months after promulgation of an naaqs, each state was required tosubmit to epa a plan designed to implement and maintain that standard withinits boundaries.
在《全国环境空气质量标准》颁布后的9个月时间内,要求各州报送环境保护局一份计划,说明在本州实施与维持该标准的措施.