吊楔螺栓 [机] lewis bolt

楔形螺栓 wedge bolt

楔胀式锚栓 wedge-nut expansion shell bolt

滑楔螺栓 frame wedge bolt

动轮轴箱楔螺栓 driving box wedge bolt

楔形螺栓垫圈 beveled washer

主杆铜楔螺栓 main rod brass wedge bolt