A. 上腔静脉的下1/3到上腔静脉与右心房的连接处 B. 颈外静脉 C. 上腔静脉 D. 下腔静脉 E. 外周血管内部
A. SOLAS Certificate is issued B. Loadline Certificate is renewed C. classification society approval is issued D. permanent Certificate of Inspection is issued
A. 神经内科 B. 眼科 C. 内科 D. 耳鼻喉科