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简体中文
Haitian Creole
?????????? ???? ????????? ?? ???????? ????? ???????? ?? ??????? ???? ?? ?? ????? ?????????? ???? ???? ??? ? ???? ???????? ????? ????????. ??? ???????? ?????? ?? ????? ???????? ???? ???? ?? ??? ????? ????? ???? ? ??? ???? ???? ?? ??? ?? ????? ??? ???????? ????? ??? ??????? ????? ????? ??????? ????? ????????????? ? ??? ?? ??. ??????? ????? ?????? ?? ??????? ??????? ?????? ?? ?????? ??????? ????????? ????? ???? ??? ???: ???????? ? ??????: ??? ?? ?????? ????? ?????? ??????????? ??? ?? ??????? ??? ?? ?? ??? ?? ????????? ??? ????? ??????. ?? ????? ???? ? ???? ?? ????? ?????? ???? ???? ?? ????? ???? ???. ??????? ???? ? ?????? ?? ???? ???? ?? ????? ????? ????????? ?? ???????? ???? ????? ?? ???? ??? ???????: ??????? ?????? ?? ?????? ????? ?????? ??????????? ??? ?? ???? ???? ?? ???? ??????? ?????? ???? ?? ???? ??????? ????? ???? ?? ???? ?????? ? ?????? ?? ???? ??????? ? ???????? ????? ????? ?? ????? ????? ??????? ??? ?? ?????? ??? ????? ??????? ????? ?????? Normalization: Normalization is a heat treatment process in which the workpiece is heated to a critical point AC3 or above 30 °C~50 °C, held for a proper period of time, and then uniformly cooled in free flowing air. Normalization can improve the machinability of materials, enhance the strength and hardness of parts ??? ?? ?????? ????? ?????? ??? ?? ??????? ??? ?? ????? ???? ????? ???? ?? ???. ?????? ???? ?? ??? ??? ?????? ?????? ??????? ???? ??? ?? ????? ?????? ? ?????? ?? ?????????? ?? ???? ?? ?????? ???? ? ???? core ?? ??? ??????. ?????????: ????????? ?? ?????? ????? ???? ?? ???? ????? ??? ?? ?????? ??? ?? ????? ???? ????? ??????. ?? ???? ??? ??? ??????? ?? ??? ?????? ???? ? ?????? ??? ???? ?????? ? ????? ???? ?????? ?????? ?????? ????? ?????: ??? ????? ????? ??? ?? ????? ????? ?? ??? ??? ? ????? ????? ??? ?? ???? ???. ????? ???? ???????? ?? ?? ???? ????? ???: ????? ???? ?????? ????? ???? ???? ? ????? ???. ?????? ?? ????? ?????? ??? ?? ?????? ??? ? ??? ?? ?????? ???? ????? ??????. ???? ???????? ?? ??????? ???? ???? ?????? ?? ?? ????????? ???? ?????? ????? ???? ????????? ????? ????.
