frame wedge bolt 滑楔螺栓
driving box wedge bolt 动轮轴箱楔螺栓
slot-and-wedge bolt 楔缝式锚杆
sliding wedge bolt 滑楔式锚杆
main rod brass wedge bolt 主杆铜楔螺栓
wrist-pin brass wedge bolt 肘销铜衬楔螺栓
wrist pin brass wedge bolt 肘销铜衬楔螺栓
frame side rail wedge bolt 滑楔螺栓
split wedge roof bolt 叉楔顶板锚杆
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