定位销定位精度设计
The orientation precision design of pin
锁定销定位
positioning with lock pin
摇臂轴定位螺栓
rocker shaft orientation bolt
中间齿轮轴支架定位螺栓
idler gear shaft bracket retaining bolt
X线头颅侧位定位片
Cephalometric radiographs
泵支架固定螺栓
pump bracket mounting bolt
变速杆开关固定螺栓
shift lever switch mounting bolt
侧移油缸固定螺栓
sideshift cylinder mounting bolt