机械设计课程设计系列——二级同轴式斜齿轮减速器设计.doc

urban area 2.5.2 Yibin city in Yibin city, according to resource and environment characteristics Urban population and urban spatial distribution, spatial distribution of industries, major infrastructure Corridor layout, combined with the future development trend of synthetic judgments, planning, urban spatial structure of urban system can be summarized as: a pole along the two axes. A refers to the metropolitan area along the Yangtze River, is the core area of the development of the city. Plans to build for the Yangtze River economic belt on the pillar, advancing along the ... Guanghe River, Yiliang, prestige of the external cohesion of zhaotong, Yunnan, internal connecting Yibin city to the North. The Sichuan-Yunnan-Guizhou border area of Yibin, in the city of zhaotong, liupanshui three, zhaotong city, the most populous and most extensive regions, the most economically backward, to the North in Wumeng mountain area of yanjin, shuifu, suijiang counties radiation power is relatively weak. Yibin city and infrastructure in such areas should be strengthened and docking, extending southward to public services, promote the development of mineral resources in Northeast Yunnan, expand our economic hinterland, driving synchronous lifting in Sichuan-Yunnan-Guizhou border area. This urban axis with mineral resource advantages, focus on the development of advanced technology, comprehensive utilization of resources of higher energy, new building materials, chemical industry, developing new energy and mining towns. Urban space organization-in gongxian County, Gao, junlian County Center for area organizations, improve, Gao, Gong, junlian County comprehensive services, and promoting regional economic development and population growth of the agglomeration. Along the main traffic arteries to implement point-axis development mode key repeatedly, Shahe town, Xiao Zhen, Luo table Zhen, Luo town, love Mu Zhen and other towns as district development focuses on cities and towns, promote t