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- Vehicle garbage is the main Pollutant in cities. 汽车垃圾是城市重要的污染物。
- Organic polymers and petroleum hydrocarbons are the main pollutants in viscous oil wastewater. 有机聚合物和石油烃类物质是稠油废水中的主要污染物。
- The main pollutants from electroplating enterprises of township and village industries (TVIs) in China are cyanide and chromium. 电镀分有氰电镀与无氰电镀两类。乡镇工业电镀行业的环境污染最主要是氰污染和铬污染。
- The main pollutants are: oil, dredge materials, chemical waste-water, domestic sewage, goods dust, sludge, rubbish and heavy metal etc. 分别阐述了港口水域的主要污染和污染物:油类、疏浚物、化学品、生活污水、货物粉尘、垃圾及重金属等的来源及其危害。
- The results showed that the main pollutants into the sea from rivers were COD, nutrients, petroleum and heavy metal (e.g.Cu, Pb, Zn, Cd, Hg) and so on. 结果表明，由河流携带入海的主要污染物为化学需氧物质、营养盐、石油类和重金属（铜、铅、锌、镉、汞）等。
- The Main Pollutants and Polluted Evaluation in Zhuozhang River Basin. 浊漳河流域主要污染物与污染评价。
- The main pollutants are benzene serial materials, polycyclic aromatic hydrocarion, organochlorine insecticide, PCB and volatile halogenated hydrocarbon. 经过筛选确定苯系物、多环芳烃、有机氯农药、多氯联苯和挥发性卤代烃为主要污染物。
- The main pollutant indexes in the river are COD and total Hg. 河水的主要污染成分为COD和总汞。
- The main pollutants were soot, acid emissions and awful smells,which had a tight relationship with the development of industrialization and urbanization. 污染英国城市大气的主要物质是煤烟、酸性气体和各种难闻的气味等,这与工业化和城市化的发展密切相关。
- From 2006 to 2007, water quality were monitored along the sealine of Yingkou tourism area.Acording to the data, the main pollutants were DIN, PO4-P, COD and fecal coliform. 摘要2006-2007年对营口沿海旅游度假区的水质进行了监测，数据显示主要污染物为无机氮、活性磷酸盐、COD、粪大肠菌群。
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- It can be concluded from the evaluation numbers that the safety of Ming river is difference,iron and hydrargyrum are the main pollutants;the safety of Tuo river and Fu river are better. 结果显示,岷江流域的水质安全性较差,主要的污染物为重金属汞和铁,沱江和涪江流域的水质安全性较好。
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。
- The main pollution sources include: slag, sewage water, smoke, and tail gas. 主要污染物有矿渣，污水，烟气、尾气等。
- The whole school (was) assembled in the main hall. 全校在大礼堂集合。
- The main feature on the program is her song. 那个节目的主要号召物是她的歌。
- Fables often have animals as the main characters. 寓言常以动物为主角。
- A heavy snowfall block the main road. 一次严重的降雪阻塞了主要公路。
- The main pollutants that may cause soil pollution in the production process mainly include heavy metals, PCBs, 1,2,3 trichlorobenzene and HCB. 在生产过程中可能造成土壤污染的主要污染物包括重金属、PCBs、1,2,4-三氯苯、六氯苯。
- I grasped the main point of the speech. 我领会了这篇演讲的要点。
