针对汽车发动机排气管材质及性能要求，研制了一种薄壁高强韧铸态球墨铸铁排气管，确定了其化学成分和铸造工艺。
According to the requirements of automobile exhaust pipes on material and its properties, a high strength and toughness nodular cast iron of thin section castings has been developed.
针对汽车发动机排气管材质及性能要求，研制了一种薄壁高强韧铸态球墨铸铁排气管，确定了其化学成分和铸造工艺。
According to the requirements of automobile exhaust pipes on material and its properties, a high strength and toughness nodular cast iron of thin section castings has been developed.
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