随着工业的蓬勃发展,许多工业中心周围的森林受到废气严重污染,对植物最有毒害作用的有:氟、亚硫酸酐、硫酸酐、氯、二氧化氮、酚、硫酸和盐酸。一些废物,如金属灰、垃圾、灰分、烟黑的危害也不小。防止大气污染的最根本方法是利用废气收集 As industry has thrived, forests around many industrial centers have been severely polluted by exhaust gases. Fluorine, sulfurous anhydride, sulfuric anhydride, chlorine, nitrogen dioxide, phenol, sulfuric acid and hydrochloric acid are among the most toxic to plants. Some waste, such as metal ash, garbage, ash, black smoke is not a small hazard. The most fundamental way to prevent air pollution is to use exhaust gas collection