全口义齿实现前伸平衡最有效的方法是()
A.调整髁导斜度
B.调整切导斜度
C.调整牙尖斜度
D.调整补偿曲线曲度
E.调整定位平面斜度
参考答案:D
— What did the professor tell you to do?
— I had to write a _______ report.
[ ]
A. three-thousand words
B. three thousands word
C. three-thousand-word
D. three-thousand-words
DSA200型受电弓内装有降弓装置,当弓网故障时,可()降弓保护。
A.自动
B.半自动
C.手动