起始预增压的N1值是()
A、70%
B、75%
C、80%
参考答案:C
以翼外肌、咬肌等肌肉作为矫治力()
A.重度力
B.间歇力
C.矫形力
D.颌外力
E.肌力
________ there is no restriction on foreign entries at the film festival ,those that win are in minority.
A. unless B. When C Where D while[