fixed water spray system 固定喷雾灭火系统
water spray fixed system 固定水喷雾系统
fixed pressure water-spray system 定压水雾灭火系统
fixed spray irrigation system 固定式喷灌系统
Ways of designing and calculation on the fixed Extinguishing cooling water spray system of spherical tanks, based on formulas summarized in the design work.
结合在工作中稚导的计算公式，介绍了球罐固定消防冷却水喷雾系统的设计步骤与计算方法。
The nozzle and distribution piping system shall be uniformly installed in the protection area to guarantee the HFC-227ea agent can spray to the protection area uniformly within the fixed time.
保护区内均匀的设置若干七氟丙烷喷嘴和分配管系，确保七氟丙烷灭火剂在规定的时间内均匀的喷向保护区。
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