51吃瓜

??? ?? ????? ??? ??? ?? ???? ???? ?????

1. ???????? ????

?? ??????? ???? ??? ???? ??? (????? ????????? ???) ????? ?????? ?? ??? ??????? ???? ??? ???? ??? ??? ?? ?? ???? ??? ???? ?? ??? ?? ???? ????? ????

2

?? ??? ??????? ???? ???? ???? ???? ????? ???? ???? ?? ???? ?? ????? ?? ????? ?? ??? ??????? ??? ???? ??? ???? ???? ?? ?????? ???????? ??????? ???? ????? ??? ???.

?????? ???? ??? ?????? ????

3. ???????????

???????????? ??? ???? ??? ?????? ??? ??? ??? ????? ?????? ??. ????? ????????? ?? ?????? ?? ????? ?????? ???????? ?? ??? ????????? ?? ??? ?? ???? ?? ?????? ???? ??? ?? ??????? ?? ??? ??? ?? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???

4

??? ???????? ???? ?? ????? ??? ?? ?????? ????????? ??? ??? ?? ??? ?? ??? ??????? ??? ???? ??? ??????? ???? ?? ??? ?? ???? ???? ?? ????

???? ??? ?? ?????? ????? ?? ??? ?? ????? ?????? ?? ????? ???? ??? ?? ????? ?????? ?? ????? ?? ????? ??. However, it should be noted that these skills requirements may not necessarily be the requirements specified in the part drawing, and sometimes may be higher than the requirements on the part drawing due to processes reasons. ??? ???? ??? ?? ????? ?? ????? ????? ?? ????? ????? ?? ????? ????? ?? ???? ???? ?? ??? ?? ?? ????? ????? ?? ????? ???? ???? ?? ?????? ?? ???? ?????? ?? ??? ?? ??????? ??? ???? ???. ???? ??? ???? ?? ???? ?? ?? ???