单项选择题

全口义齿中主要承担合力是（）

A.主承托区
B.副承托区
C.缓冲区
D.边缘封闭区

你可能感兴趣的试题

单项选择题

2. People ________success in life with the ability of operating computer.

A、A. equal
B、 B. equally
C、 C. equate
D、 D. equator

单项选择题

Scene matching navigation belongs to ____.

A．One-dimensional matching navigation
B．Two-dimensional matching navigation
C．Three-dimensional matching navigation
D．Four-dimensional matching navigation