患者男,35岁,缺失,做基牙,行可摘局部义齿修复
按肯氏分类,该患者属于()
A.第一类
B.第二类
C.第三类
D.第四类
E.第五类
参考答案:C
An army spokesman stressed that all the soldiers had been ordered _____ clear warning before firing any shots.
A.to issue
B.being issued
C.to have issued
D.to be issued
牵引变压器副边短路保护是如何实现的?