adjustable foot-ankle unit的用法和样例：
- Doctor observes watch his foot ankle.
- Stretcher with adjustable foot safe mechanical devices such as seat belts.
- However, when the third quick conclusion he sprains the right foot ankle area carelessly, can not but leave the field.
- MRI was performed 7 to 10 days after injury.The therapeutic effects were evaluated according to AOFAS (American Foot Ankle Society) interphalangeal scale.
- Adjustable feet length and gradient are the key facrors guaranteeing right and comtortable wearing.Adjustable for different types of face.