与艾滋病相关的龈缘红线与下列哪种病原微生物感染有关()
A.粘性放线菌
B.牙密螺旋体
C.白色念珠菌
D.伴放线放线杆菌
E.牙龈卟啉单胞菌
参考答案:C
They required that the work as soon as possible.
A.be finished
B.will be finished
C.should finish
D.is finished
断路器液压机构的防失压慢分装置应()。