鼻咽纤维血管瘤为减少出血,术前术中可行()。
A.硬腭进路
B.颈侧入路
C.血管栓塞及控制性低血压
D.颅颌联合进路
E.硬腭进路加颊侧切口
参考答案:C
She was knocked by a car and now is still .
A.down; in danger
B.off; dangerous
C.down; dangerous
D.off; in danger
带式输送机胶带打滑主要是因为拉紧装置架构不合格。