51吃瓜

??????? ????? ?? ?????? ??????? ???? ? ???????? ?? ???? ?????????? ????? ?? ????????? ???? ????? ????? ??????. ??? ????? ???? ?? ???? ? ????? ????? ????? ???? ?? ????? ??? ???? ? ????? ??? ??. ?????? ??????? ????? ??????? ???? ?? ??????? ?? ???????? ?????? ???? ????? ????? ??????????? ? ???? ????? ???? ??????? ???? ? ?????? ?????? ???. ??? ??????? ????????? ????? ?????? ???? ????? ???? ??? ??? ?? ?? ??????? ?? ?????? ???: ?????????? ????? ??????? ????? ????? ? ??????????? ?? ???? ?? ??????? ?? ???????? ??? ???? ? ????? ?????????? ????? ?????. 2. ?????? ???????: ??? ???????? ultrasound? ?????? ????? ???????? ? ??? ?? ??? ???? ?? ??????? ?? ??????? ?????????? ? ??????? ???? ????. 3. ???????? ?????: ??? ??????? ?????? ????? ? ??? ?? ??? ???? ?? ??????? ?? ???????? ???? ? ?????? ???? ???? ?????. 4. ??????? ????? ? ?????: ??? ????? ???? ? ??? ?? ??? ??????? ?? ???????? ?????? ? ?????? ???? ???? ?????. 5. ?????? ?????????? ??? ?????????? ????? ? ??? ?? ?? ???? ?? ??????? ?? ????? ???? ? ???? ?????? ?????. ????? ?? ?????? ????? ????? ??? ???. ??????? ??????? ???? ???????????? ????? ??? ?? ????? ???? ?? ?????? ? ????? ??????? ????? ?? ????? ????. ?? addition, as medical equipment is typically used for the treatment and diagnosis of life and health, the processing must ensure sterility, non toxicity and non contamination.