It has characters of unique technology, specific targets, simple structure and easy use etc.

具有工艺独特，针对性强，结构简洁，使用方便等特点。

youdao

It has characters of unique technology, specific targets, simple structure and easy use etc.

具有工艺独特，针对性强，结构简洁，使用方便等特点。

youdao