萝芙木碱能加强左心室作功量，而心肌氧消耗量并未增高，故计算出心肌机械作功率从15%提高到20%。

Since the alkaloids increased the left ventricular work but not the oxygen consumption, the mechanical efficiency of myocardium was elevated from 15% for the premedicated heart to 20%.

youdao

萝芙木碱能加强左心室作功量，而心肌氧消耗量并未增高，故计算出心肌机械作功率从15%提高到20%。

Since the alkaloids increased the left ventricular work but not the oxygen consumption, the mechanical efficiency of myocardium was elevated from 15% for the premedicated heart to 20%.

youdao