介绍了加工铜键的一种新型成形刀具，解决了精度要求高耐磨性差的加工难题。
A new type shaped tool is introduced which machines bond of copper, and machining problem about high precision and difference grinding characteristic are resolved.
他们计划将耗尽的燃料棒封装进铜涂层的铸铁罐——而法国人没有进行再加工。
They plan to encapsulate depleted fuel rods - unlike France there is no reprocessing here - in copper-coated cast-iron canisters.
色泽鲜绿、表面光鲜的粽叶则可能是经过加工、铜含量超标的“返青粽叶”，食用这类粽子会危害健康。
Eating those with green and bright leaves may harm your health, because the processed leaves can contain excess amounts of copper. (See photo).
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