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氢氧混合气体,氢氯混合气体的爆炸实验均可以用A、B两支具支试管完成,A管配上胶塞、B管上盖上一圆形硬纸片,两支管口用胶塞连结。
The explosion experiments of hydrogen-oxygen mixed gas and hydrogen-hydrogen mixed gas can be completed by using A and B two-piece test tubes. The A tube is equipped with a rubber stopper and a circular hard paper sheet is covered on the tube B, and the rubber stoppers for the two nozzles are used. link.