国内外露天煤矿的发展趋势

Development trends of open pit coal mines around the world

在介绍了国外露天煤矿开采工艺和开采设备的发展趋势后，回顾了我国露天煤矿的发展历程和取得的成就：产量增加、建设规模扩大；开采工艺多样化；设备制造能力及装备水平大幅提高；设计、建设和生产管理水平大幅提高。认为我国露天矿的发展有储量和技术上的保证，具体的发展情况取决于国民经济发展的需求和乡镇煤矿的发展趋势。

With open pit mining techniques and related mining equipment development trends in other countries introduced, the article retrospects the development of China's open pit coal mines and achievements i. e. production output increased, construction scale enlarged, mining techniques diversified, equipment manufacturing capacity and technical levels greatly improved and the same is true with the design, construction and production management level' The article takes it for granted that the development of China's open pit coal mines is guaranteed by coal reserves and technology, which depends upon the energy demands from the national economy and the development trends of township coal mines.