数控机床位置检测装置中()属于旋转型检测装置。
A.感应同步器
B.脉冲编码器
C.光栅
D.磁栅
参考答案:A
—Ouch! You hurt me!
—I am sorry. But I any harm. I to drive a rat out.
A.didn’t mean; tried
B.don’t mean; am trying
C.haven’t meant; tried
D.didn’t mean; was trying
患者女,65岁,拔除口内所有余留牙后1个月要求行全口义齿修复,修复3个月后,急者自述义齿变松动
该全口义齿的处理办法是()。
A.重新制作义齿
B.重衬
C.调
D.手术植骨
E.改行种植义齿修复