專門打造弓箭的鐵匠將自己的製作技術記錄成書，此為第四冊。
The fourth volume of a book in which a blacksmith specializing in bows has recorded their crafting skills.
專門打造弓箭的鐵匠將自己的製作技術記錄成書，此為第四冊。
The fourth volume of a book in which a blacksmith specializing in bows has recorded their crafting skills.