left superior pulmonary veins

• 左上肺静脉

left superior pulmonary veins的用法和样例：

例句

1. In cardiac operation,it is used for attracting the blood in left atrium through atrial septal or upper lung vein,inserting in left atrium.
   在心脏直视手术中，经房间隔或左上肺静脉，插入左房，吸引左房内的血液。