emission criteria
英
美
- 排放标准
双语例句
- One set of provisions tightens emission standards.
一套使排放标准更加严格的规定。 - Cleaner fuel and tighter emission standards were introduced in April 1997 to further reduce pollution from vehicles.
当局在一九九七年四月引进更严格的燃料和废气排放标准，进一步减低车辆造成的污染。
相关词汇
大家正在查
Copyright © 2023 256查询网 All Rights Reserved
