• 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性能要求,研制了薄壁高强韧铸态球墨铸铁排气管,确定了化学成分铸造工艺

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  • The three-dimensional effects of pile head and applicability of plane-section assumption are main problems in low strain dynamic tests on cast-in-situ concrete thin-wall pipe piles.

    浇薄壁管桩应变检测时,存在桩头效应以及平截面假定适应性问题

    youdao

  • The three-dimensional effects of pile head and applicability of plane-section assumption are main problems in low strain dynamic tests on cast-in-situ concrete thin-wall pipe piles.

    浇薄壁管桩应变检测时,存在桩头效应以及平截面假定适应性问题

    youdao

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