沿空留巷技术展望邢台矿务局高德生（河北邢台０５４０２１）沿空留巷是煤矿开采技术的一项重大改革，它对提高煤炭回收率，降低掘进率，缓解采掘接替的紧张状况，提高矿井的经济效益都有着十分重要的意义。因此，多年来一直是我国煤炭开采的重要技术发展方向。由于沿空留... Technology of gob-side entry retaining technology GAO Te-sheng (Xingtai Mining Bureau, Xingtai 054021, Hebei) Gob-side entry retaining is a major reform of coal mining technology. It is of great significance to improving coal recovery rate, lowering tunneling rate, easing tension in mining succession, The economic benefits are of great importance. Therefore, it has been an important technical development direction of coal mining in our country for many years. Due to the space left ...