counter sunk screw pin shackle的意思|示意
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反沉螺丝销卸扣
counter sunk screw pin shackle的网络常见释义
平头螺栓卸扣 ... 平头螺栓卸扣 counter sunk screw pin shackle ; flush head screw shackle 圆头螺栓,高平头螺栓 cheese head bolt 扁尾螺栓 长平头螺栓 lugbolt ...