Rugged nickel-plated copper clip leads won't spark when initially attached to a battery to reduce the possibility of an explosion.
坚固的镀镍铜夹引线时，不会引发最初连接到电池，以减少爆炸的可能性。
High dietary copper has been commonly used in livestock production, but inappropriate using leads to adverse influence.
高铜饲料在畜牧生产中使用普遍，但不合理的饲用给畜牧生产带来了不利影响。
However, copper enrichment around grain boundaries in copper containing steel plate leads to a kind of defect called copper brittleness.
但是铜在钢中极易在晶界富集，引起铜脆缺陷。
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