51吃瓜

????? ???? ???? ???? ?????? ????? ??? ????? ?? ??? ????? ?? ?????? ?? ????? ??? ?? ????? ??? ????? ??? ??? ?????? ?? ????? ?? ?? ????? ?? ???? ??? ??? ?? ??????? ?????. ?????? ???? ???? ???? ??????? ???? ???? ????? ????? ?? ??????? ???? ?? ????? ??? ????? ?????? ??? ????? ????? ?? ????? ??? ?????? ?? ?????? ????? ????? ????? ??????? ?? ?????? ???? ???? ??? ???? ?? ????? ???? ????: ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? ???? 2. ????????? ???????: ???? ultrasound probes? ???????? ?????? ????? ?????? ??? ????? ???? ?????????? ??? ??????? ???? ????? ?? ??????? ?? ????? ??. 3. Surgical instruments: such as surgical knives, suturers etc., require high hardness and corrosion resistant materials. 4. ????? ??? ?????? ?? ?????: ???? ????? ??? ??? ????? ?????? ??? ???? ???? ?????? ???? ?? ??????? ?? ????? ??. 5. Laboratories equipment such as microscopes, centrifuges etc. requires the use of high precision and reliable components. ????? ??? ?? ?????? ??? ????? ????? ??. ?????? ??? ???? ???? ????? ????? ????????? ?? ???? ???? ????? ?? ???? ????? ?? ?????? ??? ????? ?? ???? ??? ?????. ?? ?? ?????? ?? ??? ????? ????? ??????? ????? ??? ?????? ?? ?????? ??? ????? ?? ??? ??????? ??? ???? ???? ???? ???? ????? ?? ?? ????? ??? toxicity ??? ??? ?????? ?? ???? ????? ?? ???? ??.