【摘要】 通过对煤矿用螺杆式移动空气压缩机结构、性能、工作原理的研究分析、技术改造和设备投入使用前后的经济性比较,指出了该设备在现代化矿井生产应用中的重要性。更多还原

【Abstract】 Through analysing the struction and theory of explosion screw air compressor for coal mine,analysing the safety and economic of the system in usage in front and back,points out the importance that system in the modern well to produce and fix.更多还原