A 502percen t reduct ion in the spacing between detecto rsis requ ired in the absence of test data on a part icu lardetecto r and f ire size.

• 工程中喷头安装要避开障碍物,设计和安装有时确实不易,增加集热板的做法,使设计人员和施工人员的工作大大简化。