单词：exhaust air chamber
单词：exhaust air chamber 相关文章
Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma
2016年Scientific American(八)月
The Ministry of Environmental Protection said that industrial emissions, vehicle exhaust fumes and heating reliant on coal were three main factors that caused wide-spread air pollution across China in the past week. 环保部日前表示，工业排放
实用英语
Airborne particles produced by automobile exhaust, industry and coal or oil fired power plants can cause blood pressure to rise to dangerous levels Medical researchers are finding out more about the health risks of air pollution. They say the world's
VOA标准英语2010年(八)月
AUDIE CORNISH, HOST: Climb Every Mountain, Rocky Mountain High, Night On Bald Mountain - music and mountains have long been linked in the public imagination. Critic Bob Mondello says a documentary called Mountain finds a new sort of purity in the con
2018年NPR美国国家公共电台5月
The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in
英语新闻
今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪，意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气
美国习惯用语