专题五地下与大空间建筑火灾自动喷水灭火系统高新技术１．研究目的及意义自古以来应用最广泛的灭火剂就是水，虽然现代科学技术日新月异，各种人工合成灭火药剂层出不穷，但水仍以其价廉，易获取、低污染、适用性强、灭火效果好、可靠性高等特点，作为首选的灭火方式。自动喷 Topic five underground and large space construction fire sprinkler system high-tech 1. Research purposes and significance Since ancient times, the most widely used fire extinguishing agent is water, although the modern science and technology with each passing day, an endless stream of synthetic fire extinguishing agents, but still its water is cheap, easy to obtain, low pollution, applicability, good fire extinguishing effect , High reliability, as the preferred way of fighting fire. Automatic spray