low temperature normalizing
关键词 ： 球墨铸铁 ；原料配比 ；低温正火 [gap=912]Key words：nodular graphite cast iron; raw material mixture ratio; low temperature normalizing
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low temperature normalizing
低温正火
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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It is show that the ship-plates produced by these parameters have high strength and good low-temperature toughness, and the normalizing treatment is no longer necessary.
结果表明，用这种工艺生产的船板具有高强度和良好的低温韧性，完全可以代替正火处理。
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