Moreover, it is pointed out that developing new safety technique device of prompt interruption will promote safety technique level of coal mine in China.
同时指出，开发新型快速断电安全技术装置，将大大提高我国煤矿安全技术水平。
The paper states the present status of thick seam mining and safety technique in foreign country and technique level of that in China.
介绍了国外厚煤层开采和安全技术的现状，及国内厚煤层开采技术在国际上的水平。
The paper states the present status of thick seam mining and safety technique in foreign country and technique level of that in China.
介绍了国外厚煤层开采和安全技术的现状，及国内厚煤层开采技术在国际上的水平。
应用推荐