如图所示的密闭装置一株植物和一支蜡烛在透明钟罩的底部.假如减�钟罩中的co2同时增加钟罩中的o2点燃蜡烛蜡烛燃烧了一分钟后自行熄灭.三 Template




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tomski如图所示的密闭装置一株植物和一支蜡烛在透明钟罩的底部.假如减�钟罩中的co2同时增加钟罩中的o2点燃蜡烛蜡烛燃烧了一分钟后自行熄灭.三 coloring