Petroleum is the biggest pollution substance in the sea environment, and ship oil pollution holds the most proportion of the oily pollution in the sea.
石油是海洋环境中最大的污染物质，而在海洋油类污染中，船舶油污所占的比例最大。
These are risks like HIV infection, malnutrition, diabetes, smoking, alcohol and substance abuse, indoor air pollution and, above all, limited access to basic care for the poorest people.
首先，最贫困人口获得基本医疗服务的机会有限，其它风险是：艾滋病毒感染，营养不良，糖尿病，吸烟，酗酒，吸毒，室内空气污染等。
The output of agricultural nutritive substance is the one of main cause for water environment pollution.
农业生产营养物质的输出是造成水环境污染的重要原因之一。
But some people have become concerned about another kind of pollution. It can be everywhere, depending on the time of day. And it is not thought of as a substance. It is light.
也有一些人开始忧虑另一种污染物，每个地方都存在这种污染物，要视白天的时间而定，然而人们不认为它是一种物质，而是一种光。
The main cause of this area's water pollution is the chemical substance that leaks out of a paper mill by the river bank.
这一地区水污染的主要原因是河边一家造纸厂泄漏的化学物质。
River water of slight pollution and high turbidity was converted into seepage water by filter through which the suspended substance was removed, turbidity was depressed and bacteria reduced.
通过分析重庆江津白沙渗滤取水工程中渗透水水质表明，河水经过天然河床渗滤处理，其中的悬浮物质几乎可以被完全去除，并有较好的除菌效果。
No substance harmful or toxic to human is generated, no air and environment pollution occurs during manufacturing process of hydraulic cylinder coated with metal ceramic or ceramic.
涂镀金属陶瓷或陶瓷的涂层液压缸的制造工艺过程中，不产生对人类有害有毒的物质，不污染空气，不污染环境。
What he is saying in substance is that we should take effective measures to prevent pollution.
〔他大体上说的是我们应该采取有效措施防止污染。
The benzene homogeneous and overall volatility organic substance(TVOC) in the indoor atmosphere, are the major factor causing on indoor atmosphere pollution.
室内苯系物和总挥发性有机物（TVOC）是造成室内空气污染的主要原因之一。
It is necessary to control the pollution of dredging suspended substance strictly, and it is the trend of The Times.
因此，对疏浚悬浮物污染进行严格控制十分必要，也是大势所趋。
It is necessary to control the pollution of dredging suspended substance strictly, and it is the trend of The Times.
因此，对疏浚悬浮物污染进行严格控制十分必要，也是大势所趋。
应用推荐