单词：ambient air(water etc)quality standard
单词：ambient air(water etc)quality standard 相关文章
Water is a necessary resource for the health and survival of living things. But the availability of fresh water is decreasing for much of the worlds population. The United Nations estimates that about 3.6 billion people currently live in areas that f
2018年VOA慢速英语(十)月
The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous
英闻天下
We are responsible to replace the defective ones. 我们保换质量不合格的产品。 It's really something wrong with the quality of this consignment of bicycles. 这批自行车的质量确实有问
实用英语
BEIJING, March 2 (Xinhua) -- A Chinese official on Saturday urged speeded efforts to improve air quality in cities, saying the people cannot wait too long for the air to be cleaned. Eighteen years is too long to wait, said Lyu Xinhua when asked to co
英语新闻
The Beijing Waterworks Group, the company responsible for tap water supply in the capital, says starting from next week, the data on tap water quality will be available on the company's website. Major indexes, including degrees of color, turbidity an
英闻天下
The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous
英闻天下