缓燃期 slow combustion period ; [动力] normal combustion period

缓燃剂 delay combustion agent ; delayer

缓燃烧 slow combustion

缓燃引信 [化工] slow match

缓燃织物 slow-burning fabric

缓燃成份 slow-burning composition

缓燃的 slow combustible

缓燃导火线 slow cord ; [化工] slow igniter cord ; slow-burning fuse

缓燃建筑 slow-burning construction