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自动喷水灭火系统具有安全可靠、经济实用、灭火效率高等优点 ,因此被广泛采用。但是 ,由于东北冬季的气候比较寒冷 ,特别是近些年来 ,卡里那现象不断出现 ,使本来冬季就比较寒冷的东北气候更加寒冷 ,而且延续时间长 ,辽宁的沈阳、鞍山、抚顺、本溪等城市已达 - 2 8℃以下 ,加
Automatic sprinkler system has the advantages of safe, reliable, economical and practical, high fire-fighting efficiency, it is widely used. However, due to the relatively colder winter temperatures in northeast China, especially in recent years, the phenomenon of Karina appears constantly, which makes the northeastern climate, which was originally colder in winter, colder and prolonged. Shenyang, Anshan, Fushun and Benxi in Liaoning The city has reached - 2 8 ℃ below, plus