n.防止污染
The Trent River Authority at least is on the side of depollution. 至少特棱特河川當局是贊成防止污染的。
Depollution and Clean the Water in American 美國人的治污潔水法
depollution of tannery waste water 制革廢水處理法
The Tree Varieties Choosing of Depollution and Virescence 防污綠化與抗污吸污樹種的選擇
Air depollution technology and sustainable development 消除污染技術(shù)和可持續(xù)發(fā)展
