春秋战国晚期(公元前4世纪)有套有木制胸轧的马的画卷(楚国文物)。
In the late feudal period (4th Century BC) there is pictorial evidence (from the Chinese state of Chu) of a horse with a wooden chest yoke.
开胸暴露心脏后找到左冠前降支(LAD)穿线做套环,但不收紧结扎线;
For sham operation group, expose heart by surgery and find left anterior descending (LAD) coronary artery, and then braid to make a ringer but remain the silk untensioned;
应用推荐