What's the middle copper rivet for?But some spearhead is made all by iron?
What's the middle copper rivet for?But some spearhead is made all by iron?
中间的铜铆是何用途?可有些枪头又完全是铁造?
What's the middle copper rivet for?But some spearhead is made all by iron?
中间的铜铆是何用途?可有些枪头又完全是铁造?