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：2025/12/04
hard metal
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A hard, white, brittle alloy of two parts of copper with one of tin, used in the production of gunmetal. / Used other than figuratively or idiomatically: see hard, metal.
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hard metal
The bell-maker selected hard metal for the bell's body, trusting that the alloy's composition — two parts copper to one of tin — would produce the ringing tone and strength he needed.
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The bell-maker selected hard metal for the bell's body, trusting that the alloy's composition — two parts copper to one of tin — would produce the ringing tone and strength he needed.
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