Second, it has less trauma than that of conventional surgery.

第二是腹腔镜手术造成的创伤程度比开腹手术要小得多。

youdao

I have familiar with the basic operation of these conventional surgery.

熟悉了这些基本操作常规。

youdao

I have familiar with the basic operation of these conventional surgery.

熟悉了这些基本操作常规。

youdao