The research results indicate that the hot-working character of steel has intimately relationship with the copper content in steel.
研究结果表明：钢的热加工性能与钢中铜含量有着密切联系。
The research results indicate that the hot-working character of steel has intimately relationship with the copper content in steel.
研究结果表明：钢的热加工性能与钢中铜含量有着密切联系。
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