须经过“制胎”、“掐丝”、“点蓝”、“烧蓝”、“磨光”、“镀金”等大大小小十多道工序才能完成。
It can only be finished through more than ten steps including making copper mold , welding copper wire , coloring , polishing , gold-plating and so on .
烧蓝