If they're having a coronary artery bypass or they're having a heart transplant, then there's some period at which their normal heart - their heart is stopped and this machine assumes the functions of their heart.

病人在做冠状动脉搭桥手术,或者心脏移植手术时,病人自己的心脏,会停跳一段时间,而这台设备就能代替心脏工作

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