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

耐火缓冲泥浆 Refractory cushion mortar

退火缓冲液 annealing buffer

缓冷型淬火剂 PQG

火狐缓存密码清理软件 Firefox Password Remover

火鸡和缓艾美球虫 eimeria meleagrimitis

缓冲火箭 Impact attenuation rocket

十万火缓 Situation Critical