• The bearing capacity of expansion bolts is lower than chemical-fixing bolt, but it is economical.

    膨胀螺栓与化学螺栓和化学植根螺栓强度虽然低,经济性非常好。

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  • It is concluded that, the residual stress induced by cold expansion can maintain enough strength to prevent and retard fatigue crack initiation and growth in rail bolt hole.

    结果表明,扩张过程引入的切向残余压应力保持足够的强度钢轨螺栓起到显著的防裂作用。

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  • By comparing with the experimental results, a detailed discussion on the influence of cold expansion on the fatigue performance of rail bolt hole was presented.

    结合实验探讨了扩张过程对钢轨螺栓疲劳寿命影响方式效果。

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  • Based upon neural networks, a nonlinear mathematical model of the protraction for the thermal expansion die bolt is developed.

    基于神经网络建立热膨胀螺栓形变非线性数学模型

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  • The feasibility of replacing expansion bolt by chemical glue screw bolt on glass curtain wall was discussed.

    讨论了化学胶粘螺栓运用玻璃幕墙可行性

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  • The locking bolt is provided with an outer thread mating with the expansion pipe at the peripheral surface and has a groove at one end.

    锁定螺栓面上具有膨胀相匹配的螺纹,并其一端设有凹槽

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  • This paper focuses on the influence of the flange and bolt heating equipment on differential expansion of HP casing in 200mw steam turbine.

    主要探讨200 MW汽轮机组法兰螺栓加热装置高压影响

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  • My company mainly manages the bolt, the nut, the spring nut, the bolt, the gasket, the tooth stick, the expansion of metal screw, the heterogeneous pressing part, non-tender, hardware tool and so on.

    公司主要经营螺钉螺母弹簧螺母,螺栓垫圈金属膨胀螺丝异型冲压件,非件,五金工具等。

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  • The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;

    基坑支护结构漏水空心膨胀螺栓封堵塞包括、空心螺栓、螺母密封软木塞,空心螺栓套在胀管内且其长 度大于胀管长度;

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  • Second, on the ground made the rockery after expansion bolt welded steel keel, and then tied the wire mesh, plaster, then treat its sixty percent dryness according to sweep.

    第二地面膨胀螺栓固定焊接钢筋假山龙骨然后钢丝上,再抹灰,然后百分之60干度时根据造型刮好。

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  • The flat gasket and the spring gaskets are arranged on the bolt between the ante-receding expansion pipe and the hexagonal cap of the bolt.

    垫片弹簧垫片,它们安装防退膨胀螺栓六角之间螺杆上;

    youdao

  • The flat gasket and the spring gaskets are arranged on the bolt between the ante-receding expansion pipe and the hexagonal cap of the bolt.

    垫片弹簧垫片,它们安装防退膨胀螺栓六角之间螺杆上;

    youdao

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