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| 柯伐合金镍28%,钴18%,铁54%,金属和玻璃熔接用的熔合物 | |||
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| 柯伐合 | |||
| 柯伐合金 | |||
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| 科伐铁镍钻共膨胀合金 | |||
| English thesaurus | |||
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| covariance | |||
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