燃烧持续时间 meaning in English

burning duration
duration of combustion
fire duration
firing duration

Explosives for civil uses - detonating cords and safety fuses - determination of burning duration of safety fuses
民用爆炸物.导爆索和保险引信.测定保险引信的燃烧持续时间
Fire development processes of different combustion models were given and some corresponding parameters were also suggested
通过给出热释放速率、燃烧持续时间和油池火蔓延速度等关键参数的计算方法，详细描述了其发展过程。