某化学兴趣小组的同学在老师的指导下利用如图所示装置进行实验探究活动.实验一装置a处玻璃管中盛放木炭探究可燃物燃烧的条件.i.打开k通入 Template




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tomski某化学兴趣小组的同学在老师的指导下利用如图所示装置进行实验探究活动.实验一装置a处玻璃管中盛放木炭探究可燃物燃烧的条件.i.打开k通入 coloring