• This paper introduces the structure, composition, working principle and design character of automatical welding device of YSP 15 liquidized petroleum bottle valve base.

    介绍YSP -15型钢瓶瓶阀座自动焊接装置结构组成工作原理设计的主要特点

    youdao

  • In order to increase the volume deformation rate as LPG bottle broken, a boss-backing has been developed for welding the bottles.

    提高液化石油气钢瓶破裂时的容积变形率研制了带有凸台结构焊接衬圈。

    youdao

  • In order to increase the volume deformation rate as LPG bottle broken, a boss-backing has been developed for welding the bottles.

    提高液化石油气钢瓶破裂时的容积变形率研制了带有凸台结构焊接衬圈。

    youdao

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