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Fifth, can see the flame combustion.
看火焰能不能完全燃烧。
youdao
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They may react with chemical species within the flame to stop the combustion reaction.
阻燃剂可以与火焰中的化学物质起反应，使燃烧反应终止。
youdao
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They may react with chemical species within the flame to stop the combustion reaction.
阻燃剂可以与火焰中的化学物质起反应，使燃烧反应终止。
youdao