First the regular mechanical pump was tried out. It is an external device that can only be used in an ICU and is intended to support a patient for a month or two.

第一次普通的起搏器耗竭了，这是一种只能在ICU使用的外用装置，能够维持一到两个月。

youdao

First the regular mechanical pump was tried out. It is an external device that can only be used in an ICU and is intended to support a patient for a month or two.

第一次普通的起搏器耗竭了，这是一种只能在ICU使用的外用装置，能够维持一到两个月。

youdao