挑框游丝 meaning in English
breguet hair ring
breguet hair spring
breguet hairspring
breguet spring
overcoil
Examples
- Breguet hairspring collet
挑框游丝内桩 - Breguet hairspring stud
挑框游丝外桩
breguet hair ring
breguet hair spring
breguet hairspring
breguet spring
overcoil