小红同学做了下列实验其中操作合理的是 A.氧气验满b.收集二氧化碳气体c. 过滤d.铁丝在氧气中燃烧——青夏教育精英家教�—— Template




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tomski小红同学做了下列实验其中操作合理的是 a.氧气验满b.收集二氧化碳气体c. 过滤d.铁丝在氧气中燃烧——青夏教育精英家教�—— coloring