nonflammable material

• 难燃材料

nonflammable material的用法和样例：

例句

1. Both of endothermic pyrolysis and exothermic oxidation occurred in smoldering material during the heated process.
   阴燃材料在受热升温过程中会发生热解吸热反应和氧化放热反应。
2. The noncombustible debris produced by the blast frequently covered and prevented the burning of combustible material.
   由于爆震波所造成的非燃性瓦砾常常把易燃材料复盖因而可防止其燃烧。