Copper ores are mainly transported to copper workshop after smelt to copper ingot.

铜矿石开采后，多在开采地冶炼成铜锭后再运输到铸铜作坊。

In this paper some problems, which exist in the peak pressure measurements under impulsive loading of explosion by the gun copper ingot, are discussed and an improved method is presented.

本文对目前用的炮用铜柱测量爆炸后脉冲载荷峰值压力方法中所存在的问题进行了论述，并提出了革新方法。

Dresses accessories belt bucket, automobile, motorbike decoration, copper body parts for musical instrument, copper golf clubs head, trophy parts body, paper pad, letter knife, ingot... etc.

服饰配件皮带扣、汽机车饰品、乐器铜制本体零件、铜制高尔夫球头、奖杯零件本体、纸镇、拆信刀、元宝…等艺品。