The technology of coal plough have been applied in the exploitation of medium-sized and thin coal seam through analysing and comparing the characteristic of cylinder mining machine and coal plough.
对比分析了滚筒采煤机与刨煤机的特性，并将刨煤机开采技术运用于中等及薄煤层的开采中，提高了煤炭生产效率，实现了工作面采煤的全部自动化，具有广泛的推广和应用价值。
This paper discusses the centricity, exploitation, compatibility and commonweal of city square, makes square exert its characteristic in programming and construction.
该文章着重论述了城市广场的中心性、开发性、兼容性及城市广场的公益性，使之在规划建设中更好地发挥广场的特性。
This paper introduced the exploitation basis, structure and function of the statistical information systems and expatiated the key technology and characteristic of the systems.
介绍了综合信息统计系统软件的开发依据、结构、功能。
This paper introduced the exploitation basis, structure and function of the statistical information systems and expatiated the key technology and characteristic of the systems.
介绍了综合信息统计系统软件的开发依据、结构、功能。
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