wedge-nut expansion shell bolt的意思|示意
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楔形螺母膨胀壳螺栓
wedge-nut expansion shell bolt的网络常见释义
楔胀式锚栓 ... Expansion Anchor Bolt 膨胀螺栓 wedge-nut expansion shell bolt 楔胀式锚栓 Windows Dedicated Expansion Bolt 门窗专用膨胀螺栓 ...