短語(yǔ)詞組短語(yǔ)burnback resistance 抗燒能力burnback test 復(fù)燃試驗(yàn)burnback time 抗燒時(shí)間burnback k resistance 抗燒能力Grain Surface BurnBack 裝藥燃面計(jì)算BURNBACK AND RE -IGNITION RESISTANCE 回火性與復(fù)燃阻力 返回 burnback