齿轮定位销孔铰孔
gear dowel pin hole reaming
扁销孔加工定位方式
the machining and positioning methods of flat pinh
定位销定位精度设计
The orientation precision design of pin
锁定销定位
positioning with lock pin
X线头颅侧位定位片
Cephalometric radiographs
车载定位定向导航系统
vehicle-mounted navigation system for location and orientation
纯方位定位
Bearing-only location
bearing only location
bearings-only location
bearing-only locating
bearing-only positioning
bearings-only localization