punty pontil吹玻璃用的铁棒
puntil punty顶底杆
punty feeder铁杆供料器
punty mark铁杆印
luminium for high punty高纯铝
N（名词） a long iron rod used in the finishing process of glass-blowing (玻璃吹制中用的)铁杆 (Also called pontil)