outer circulation

• 外循环

outer circulation的用法和样例：

例句

1. The operation is to be done through extracorporeal blood circulation.
   这次手术要通过血液的体外循环来完成。
2. The operation was performed under deep hypothermia and extracorporeal circulation with low flow perfusion.
   手术采用胸骨正中切口在体外循环深低温低流量灌注下施行。