下颌总义齿不需缓冲的部位是()
A.下颌隆突
B.下颌舌骨嵴
C.舌系带区
D.磨牙后垫
E.C、D都对
参考答案:D
—May I _______ this T-shirt?
—Sure, the dressing room is over there. [ ]
A. give up
B. find out
C. put off
D. try on
碱性电池初充电过程中的检查项目与检查周期有哪些?