行柯-陆氏(Caldwell-Luc)手术时进入窦腔的部位是()
A.上颌窦裂孔
B.眶下孔
C.下鼻道
D.尖牙窝
E.中鼻道
参考答案:D
血虚气脱型产后血晕的临床症状有()
A.眩晕
B.冷汗淋沥
C.手撒肢冷
D.牙关紧闭
E.以上都是
The operation of the storage, processing and assembling of the bonded goods and consignment sales should be approved by and registered ______ the Customs.
A. for B. by C. from D. with