safety technique level

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。

In the paper, it analyzes model marine technique which effect lookout, puts forward some prevention counter measures, in order to improve the level of lookout, ensure the safety of sailing at sea.

分析现代航海技术对瞭望的影响，并提出一些预防措施，以提高望水平，确保航行安全。