51吃瓜

???????? ???????????? ??? ??????????????? ?????? ??? ????? ?? ????????? ???? ???? ????? ???????? ????????, ????????????? ??? ?? folgje??? ?????????: 1. ????????????????? ??? ?? ???????? ???????? ?? ?????? ???????????? ???????????, ??? ???????? ????????? ????, ?? ?????????, ??????????, ????????? ??? ?????? ????????? ??? ???????? ??? ???? ????? ?? ???????????????? ????? ??????????? ????????????, ????? ?????? ????? ??? ???????????????????. ??????????????: ?? ?????????, ????, ??? ?????? ????????? ??? ???-??????????? ?????? ????? ??????? ???? ??????????? ??????, ??? ??? ???????? ???????? ???????? ? ????????????? ????????? ???????? ??? ????? ?? ???????? ????????????? ??? ??? ??????????, ???? ?? olak? ????? ?? ?????? ?? ??????????? ???? ??????????? ??? ?? ????????? ????: Improper heat treatment can reduce the fatigue strength and wear resistance of parts, making them susceptible to wear and damage during operation. ??? ??? ?????? ????? ?? ?????????????? ???? ?? ????????? ???????????? ??? ?????????????? ????? ????????? ???? ??????????: ??? ??????????????? ????? ????? ?????? ??? ???????? ????? ??? ???????, ????????????? ??., ??????????? ????????????? ??? ?????? ?????? ?? ?????? ?? ?????????? ????? ??????? ukuze ??? ????? ????????? ???? ????? ??? ?????????????? ?? ??????????????? ??????, ????? ??? ??????? ?? folgje??? ??????: 1. ???????? ???????????? ?? ????????????????? ???????? ???????????????? ????? ?? ??????????????? ????????????? ????????????????????????????? ?? ?????? ?? ??????? ???? ???????????? Strengthen testing and inspection to ensure that the hardness, strength, toughness, and other performance indicators of the parts meet the requirements ????? ??????????? ????? ??????? ??? ??????????????? ??????, ??? ???? ???? ???????? ????? ?????? ???? ???? ????????? ??? ??? ?????????? ??? ????