Coal - fired power plants in hong kong and mainland china are sources of air pollutants in the region 本港及內(nèi)地燃煤發(fā)電廠都是區(qū)域性的空氣污染源之一。
The source of air pollutants in kitchen and their harm are analyzed , and measures for improving the air quality in kitchen are put forward 摘要分析了廚房內(nèi)空氣污染物的來源及其危害,提出了改善廚房空氣品質(zhì)的措施。