1) mid-small city (town)
中小城市(镇)
3) small towns
中小城镇
1.
Major environment impacts of water supply projects in small towns;
中小城镇供水项目的主要环境影响
4) medium and small towns
中小城镇
1.
Analysis on the pollution sources of drinking water source of medium and small towns in China
我国中小城镇饮用水水源地污染源探析
2.
A novel activated sludge-biofilm integrative reactor(ASBIR) was developed to treat the wastewater from medium and small towns.
针对中小城镇污水处理的特点开发了活性污泥-生物膜复合一体化反应器,该反应器实现了反应区和沉淀区一体化,综合了活性污泥法和生物膜法的优点,具有运行稳定、占地面积少、基建投资低、管理方便的优点,并具有较好的去除有机物和脱氮除磷能力。
3.
This paper analyzes on the main probl ems existing in the water -supply system in medium and small towns,and expounds the measures and key lin ks of the technical transformation o f the water -supply system.
分析了中小城镇给水系统存在的主要问题,阐述了给水系统技术改造的措施及其关键环节。
5) middle-small town
中小城镇
1.
Based on abovementioned, it is pointed out that there is some adjusting operational experience suit for middle-small town WWTP facing with bigger fluctuation of influent quantity and higher impact load.
介绍了禹城污水处理厂的调试运行状况,并从培菌启动条件、设备配置、水力流态等方面对调试过程中出现的问题进行了分析与探讨,在此基础上提出了适合中小城镇污水处理厂面对进水水量波动较大,冲击负荷高的情况下的调试经验。
6) middle and small towns
中小城镇
1.
The current situation of gas sources in middle and small towns of Hunan province is analyzed, the properties, applicability and prices of three kinds of gas sources, including CNG, LNG, and LPG, are compared, and the principle of selecting gas sources in middle and small towns is established.
分析了湖南省中小城镇气源的现状,比较了压缩天然气、液化天然气、液化石油气3种气源的特性、适用性和价格,确定了中小城镇气源选择的原则。
补充资料：大中小城市划分
按市区（不包括市辖县） 的非农业人口总数多少对城市规模进行划分目前我国统计工作中将城市分为以下几组：（1）100万人口以上为特大城市；（2）50一100万人口为大城市；（3）20一50万人口为中等城市；（4）20万人口以下为小城市。上述分组，随着我国的政治经济和改革的深入发展，将会调整。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条