论文部分内容阅读
一、实验装置 二、操作步骤 (一)在装置1、2中装入等量(约5克)新铁屑或还原铁粉，塞紧塞子；(二)
First, the experimental device Second, the operation steps (a) in the device 1,2 into the same amount (about 5 grams) of new iron or reduced iron powder, stopper plug; (b)