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第 12 课时 交通区位因素 PowerPoint PPT Presentation


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第 12 课时 交通区位因素. 聚焦点一 交通线路区位选择分析方法 1 .影响铁路、公路建设的地形因素. 2.“ 西气东送”的管道建设区位因素分析 ①建设“西气东送”管道的主要目的是把西部塔里木盆地及沿线地区的天然气输送到能源紧缺的东部沿海地区,最终到达上海市。②沿线选点的主要区位因素:沿线油、气田的分布 ( 西段 ) 以及人口和城市的分布,尽可能多解决一些城市的燃气问题 ( 郑州 — 上海段 ) 。③沿线穿越多座大山,三跨黄河、穿越多条河流,科学技术是保证。. 3 .公路的布局和选线原则

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第 12 课时 交通区位因素

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