The total flaming combustion time may not exceed 250 seconds for the 10 flame applications for each set of 5 specimens.
每一组的5个试片中，若10次火焰燃烧10秒钟移开后，总共火焰燃烧不超过250秒钟。
The specimens may not burn with flaming combustion for more than 10 seconds after either application of the test flame.
在每一次本生灯灯火焰燃烧10秒钟移开后，没有任何一个试片被火焰点燃超过10秒钟。
Experiments had been conducted to study the mechanisms involved in the transition from smoldering to flaming combustion of polyurethane foam.
在聚亚安酯材料的稳定阴燃中，通过实验研究了阴燃向有焰燃烧转化的机制。
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