追长龙的技巧和规律简介：Some Ming army Suifa blunderbuss captured were regarded as rare items by Dorgon and left in the Shenyang Foundry for study by craftsmen. Very few Suifa blunderbuss were used in the army.
Some Ming army Suifa blunderbuss captured were regarded as rare items by Dorgon and left in the Shenyang Foundry for study by craftsmen. Very few Suifa blunderbuss were used in the army.
