The designed ultrasonic surgical instrument based on this is of good performances and has b…

以此为依据设计的超声手术刀用于多种外科手术，性能良好。

youdao

The designed ultrasonic surgical instrument based on this is of good performances and has b…

以此为依据设计的超声手术刀用于多种外科手术，性能良好。

youdao