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The strengthening mechanism of rare earth element in sintered copper molybdenum steel has been studied.
探讨了稀土在烧结铜钼钢中的作用机理。
youdao
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The strengthening mechanism of rare earth element in sintered copper molybdenum steel has been studied.
探讨了稀土在烧结铜钼钢中的作用机理。
youdao