• In this paper, we study the technique of cold extruding forming, and produced all kinds of the long conical pipe in that way.

    采用挤压成形工艺方法能生产出各种尺寸、规格圆锥形管件

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  • To avoid slip of CFRP bars, the friction angle between soft metal pipe and CFRP bars should be larger than the sum of barrel's conical angle and friction angle between wedge and barrel.

    保证碳出现滑移金属管碳筋大于环锥角和夹片锚环之间摩阻角之和

    youdao

  • In this paper, a conical swirl-proof device is proposed to prevent eddy and flow separation in the water - inhaling pipe of the pump.

    本文提出了一种消除泵站水泵吸水管内旋涡流动分离圆锥形装置

    youdao

  • The utility model relates to a double-conical pneumatic wind-proof cap, which is suitable for being installed at an outlet of a fume discharging pipe of a gas appliance.

    实用新型是一种适用安装燃气器具排出口双锥风动防风帽。

    youdao

  • The utility model relates to a double-conical pneumatic wind-proof cap, which is suitable for being installed at an outlet of a fume discharging pipe of a gas appliance.

    实用新型是一种适用安装燃气器具排出口双锥风动防风帽。

    youdao

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