background pollution
短語詞組
- background air pollution [環(huán)境]背景空氣污染;本底空氣污染
- background d pollution 背景污染;本底污染
- Background Air Pollution Monitoring Network 本底空氣污染監(jiān)測網;氣象組織本底空氣污染監(jiān)測網
- background pollution observation 本底污染觀測
- regional air pollution background stations 區(qū)域空氣污染本底站 返回 background pollution