rate of burning meaning in Chinese

燃烧率
燃烧速度
燃烧速率

Test method for rate of burning and or extent and time of burning of self - supporting plastics in a horizontal position
水平位置自支撑式塑料的燃烧率和或燃烧程度与燃烧时间测试验方法
The dress material of blending of coverall taboo nylon , chemical fibber or cotton , chemical fibber makes , in case coverall receives rate of burn of igneous combustion accentuation
工作服禁止使用尼龙、化纤或棉、化纤混纺的衣料制做，以防工作服遇火燃烧加重烧伤程度。