• The movable device mainly consists of the nut, bolt, lifting wedge, backseat, supporting seat of the clamp plate, spring and pressure plate and so on.

    活动装置主要螺母螺栓提升楔块后座支座、弹簧以及压板组成

    youdao

  • The movable device mainly consists of the nut, bolt, lifting wedge, backseat, supporting seat of the clamp plate, spring and pressure plate and so on.

    活动装置主要螺母螺栓提升楔块后座支座、弹簧以及压板组成

    youdao

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