Under windless condition or in gentle breeze, it can be calculated either through outside compound sprinkler tests or with experimental data from single sprinkler test.
在无风或微风条件下，可通过室外组合喷洒试验或依据单喷头试验资料用计算方法求得。
Under windless condition or in gentle breeze, it can be calculated either through outside compound sprinkler tests or with experimental data from single sprinkler test.
在无风或微风条件下，可通过室外组合喷洒试验或依据单喷头试验资料用计算方法求得。
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