The balance was carbonaceous fraction , the nonflammable inorganic fraction was negligible.其余为不挥发的可燃物碳粒, 不可燃的无机物极少.Nitrogen trifluoride ( NF 3 ) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas.三氟化...
The balance was carbonaceous fraction , the nonflammable inorganic fraction was negligible.其余为不挥发的可燃物碳粒, 不可燃的无机物极少.a nonflammable liquid一种不易燃的液体Gaseous helium is inert, colorless, odorless, non corrosive, and nonflammabl...