artificial circulation造句

What the leech does is create artificial circulation,
For this reason, lay rescuers proceed directly to cardiopulmonary resuscitation, starting with chest compressions, which is effectively artificial circulation.
Some trainers continue to use " " circulation " " as the label for the third step in the process, since performing chest compressions is effectively artificial circulation, and when assessing patients who are breathing, assessing'circulation'is still important.
It's difficult to find artificial circulation in a sentence. 用artificial circulation造句挺难的