安装锚索时,树脂锚固剂凝固1小时后进行张拉和顶紧上托盘工作。
参考答案:对
全口义齿的下颌后牙排列过于偏向舌侧,则会()
A.发生咬颊现象
B.发生咬舌现象
C.侵占舌的活动空间,影响义齿固位
D.颌间距离减小
E.基托易折裂
A large number of new schools __________ to help those left-behind children next year.
A.will build
B.will be built
C.were built
D.are built