metals

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metals

1.Typical lattices of most metals are（）2.Refractory metals are those metals which have extremely low melting temperatures3.Amorphous metals are non-crystalline, and have a glass-like structure. Like common glasses, amorphous metals are electrical insu4.Metals are good conductors of both（）5.Many nonferrous metals, such as aluminum and other non-ferrous metals exhibit no fatigue limit.