The average grafts were 2.8 and usage of LIMA graft was 0.5 per case. The average CPB time was 137.6 minutes and the average cross-clamping time was 95.0 minutes. The average of mechanical assistant ventilation was 14 hours and ICU stay was 5.5 days.是什么意思_The average grafts were 2.8 and usage of LIMA graft was 0.5 per case. The average CPB time was 137.6 minutes and the average cross-clamping time was 95.0 minutes. The average of mechanical assistant ventilation was 14 hours and ICU stay was 5.5 days.在线翻译_英语_读音_用法_例句