最新注码法简介：In the third step, Wang Shan poured the gunpowder in the wooden tube into the barrel of the gun - he knew exactly how much gunpowder he would put in at a time, so he put it in the small wooden tube just to check clearly.
In the third step, Wang Shan poured the gunpowder in the wooden tube into the barrel of the gun - he knew exactly how much gunpowder he would put in at a time, so he put it in the small wooden tube just to check clearly.
