51吃瓜

???? ????? ?????? ?? ???? ???? ??? ???? ?? ?? ??? ?? ???? ??? ??? ???? ?? ????? ??? ???? ???? ??? ??? ?? ???? ???? ???? ?????????? ??????? ????????? ??? ??? ????? ??? ??????? ???? ??. ???? ????? ?????? ?? ???? ???? ??? ??? ????? ???? ??? ????? ????? ?? ????? ?? ????? ?? ?? ???? ?? ????? ??? ?????? ?? ????? ???? ????. ???? ?? ??? ??????? ??????? ??? ???? ???: 1. CNC ????? ????? CNC ???: ?? ????? ?????? ?? ???????? ????????? ?? ????? ??? ????? ?? ???? ???? ?? ?????? ?? ??? ??? ??? ?? ?? ??? ???? ????? ???? ?????? ??? ???? ?????? ?? ????? ??. ????? ?? ????? ?? ?? ???? ??? ????? ????? ??? ????? ?? ?????? ?? ??? ??????? ??? ???? ???? ???? ????? ??? ???? ????????? ???? ????? ???? ???? ??? ??? ???? ??? ????? ?? ???? CNC ?????? ?????: ?? ?????? ???? ????? ?? ???? ???? ??? ???? ???? ???? ???? ?????? ?????? ??? ??? ?? ??? ???? ???? ???? ?????? ?? ????? ??? ????? ?????? ?? ????? ?????? ?? ???? ???? ???? ?????? ????? ??? ????? ???. ????? ?????? ??????? ?????? ?? ???? ???? ?????? ?? ?????? ??? ??? ??? ??? ???? ?? ?? ????? ?????? ??? ?? ??????? ?? ????? ?? ???? ???? ?? ???? ??. II. Precision Tool Grinding Machine: used for grinding precision parts, it can achieve very high precision and surface quality. ??????? ???? ??????? ?? ??? ?? ???? ??? ??? ?????? ?? ??? ???? ??? ??? ?? ????? ????? ?? ??? ??? ????? ??? ????? ??? ????? ????????? ????? ?????: ??????? ????? ??? ????? ????????? ??? ?? ???? ????? ?? ??? ??????? ??? ???? ???? ??? ?? ?????? ?? ???? ??? ??? ?? ????? ?? ????? 3? ?????????? ?????? ????? (EDM) ?????: ???? ????? ?? ??????? ??? ???? ????? ?? ?????? ?????????? ???? ?????? ?? ????? ??? ??? ???? ??. ?????????? ????? ????? ?? ??? ??? ?? ????? ?? ???? ?? ?? ??? ???? ?? ??? ??? ???? ??? ?? ???? ??? ??? ?? ?? ????? ??? ??? ???? ?? ?????? ???? ??? ??? ?? ????? ?? ???? ???? ??. ????? ??? ????: ??????? ???? ???? ?? ?????? ?? ??? ????? ???? ???? ?? ???? ??????? ??? ???? ??. ????? ??? ????? ????? ?? ????? ??? ??? ??? ???? ???? ??? ?? ?? ???? ??? ??? ?? ????? ??? ???? ?? ??? ???? ??? ???? ?? ????? ???? ??. ???? ???? ?? ???????? ?? ???? ???? ???? ??? ??? ????? ??? ???? ?????? ??. 4? ??? ????? ????? ?????? ?????: ??? ????? ????? ???? ???? ????? ?? ??? ??????? ??? ???? ??? ?? ????? ?????? ??? ??? ???? ?? ??? ??? ???? ?? ???? ???? ??? ????? ??? ???? ??. Welding equipment: Two metal parts can be welded by high temperature through various forms such as arc welding, gas welding, laser welding etc. ??????? ????? ?????? ???? ??? ????? ??????? ????? ?? ???? ???? ?? ??? ??????? ??? ???? ??. ???? ???: ??? ????? ????? ?? ????? ?????? ????? ?? ?????? ?? ????? ???? ?? ????? ?????? ???? ?? ??? ??? ?? ????? ???? ?? ??????? ?? ??? ?? ???? ??. ??????? ????? ??? ???? ??? ?? ?????? ????? ?? ?????? ??? ??????? ??? ???? ???. ???? ?????: ???? ??? ???? ????? ?? ????? ?? ????? ????? ????? ????? ????? ????? ????? ????? ????? ????? ????? ????? ????? ????? ????? ????? ?? ????? ?????: ???? ???? ????? ?? ??? ??????? ??? ???? ??? ???? ???? ?? ????? ??? ??? ??????? ??? ????? ?? ???? ??. ?????? ?????: ??? ?????? ?? ??? ??????? ??? ?????? ???? ?? ??? ??????? ??? ???? ??? ?? ??? ????? ?? ??? ????? ???? ??? ???? ?? ???? ?? ?????? ???? ?? ???? ????? ??