Check the positioning hole 检查孔的定位
positioning-hole pattern 定位孔图形
Chassis positioning hole 车台定位孔
depth of positioning hole 定位孔深度
hole positioning 炮孔定位
The locking screw positioning hole and a joint sleeve positioning slot are arranged on the proximal end of the intramedullary nail bar.
在髓内钉杆近端设置有锁紧螺杆定位螺孔、连接套定位槽。
The bonding pad of the circuit board is provided with the gap, the gap and the positioning hole are spaced by certain interval to avoid tin leaking.
在电路板的焊盘上开设缺口，该缺口与定位孔相距一定间隔，可避免出现漏锡。
The utility model provides a screw and a screw driver matching with it. The screw comprises a slotted screw head and a screwed screw bolt, and a positioning hole is arranged at the center of the slot.
本实用新型提供了一种配合使用的螺丝和螺丝刀，所述的螺丝包括开有一字槽的螺丝头和有螺纹的螺杆，在所述的一字槽中央有一定位孔；
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