normal perfusion pressure break-through

例句：

1. 1. The surgeon performed a delicate perfusionof the blood vessels.
   外科医生进行了一次精细的血管灌注。
2. 2. The patient received anintravenous infusion of antibioticsto treat his infection.
   患者接受了静脉注射抗生素来治疗他的感染。
3. 3. Duringthe operation, the surgeonused a special device to performa controlled perfusion of the tumor.
   在手术中，外科医生使用一种特殊的装置对肿瘤进行控制性的灌注。