51吃瓜

??? ?????????? ?????????????????????? ?????????? ??? ????? ??? ???????? ??? ????????, ??????? ??? ??????, ?????? ??? ?????????? ????????????????? ????? ?? ??????? ??? ??? ???????, ????, ??. ????? ??????????????? ?????? ??? ?????????????????? ??????, ??? ????? ???? ???????????????????. ?? ???? ??? ?????????? ?????????? ????????????????? ??? ??? ???????? ???? ??? ??????????????? ???????.

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

???????? ???????????????? ??? ?? ?????? ???? ?????????????? ??? ???????? ????????????????. ?? ????? ?????????????? ?? ???????????? ??? ???? ????????????? ??? ??? ???????????????? ???? ??? CNC ???????????? ??????????? ????? ?? ????????? ???? ?? ????????? ?????, ??? ???????????? ?????????? ???????? ??????????? ?????? ??? ??????? ????? ????????? ?????????? ??????????? ??? ???? ?? ????????? ???? ???? ???????????????? ??? ??????????????.

2. ??????????????

?????? ??? ?? ?????? ?? ???? ?? ??????????? ??? ?? ?????? ?????? ???? ?? ?????? ??????. ?????? ??? ???? ?? ??????????????????? ????????? ?? ???????, ????????? ??? ??????. ???? ?? ??????? ??? ?????????? ???? ?? ??????, ??? ??? ????????? ??????? ????нг????????? ?? ?????? ????нг, ???????????? ????нг ??? ?????????????.

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

????? ??? ?? ?????? ???? ?? ????????? ??? ??????? ?? ??????????? ??? ?? ????? ????? ???? ?? ????. command ???? ?? ??????? ??? ?????????? ???? ?? ??????, ??????? ?????????????? ??? ??????????? ?????, ????????? ?????, ????????? ?????, ????.

4. ??????? ??? ??????

???????? ??? ?? ?????? ??? ???????? ?? ??????????? ??? ?? ???????? ??? ???? ?? ???????? ??????. ??????? ??? ???? ????? ????????????????? ???????, ?? ???? ??hole ??????, ???????, ????. ???? ?? ???requirements ???? ?? ?????, ????? ??? ????????? ??????? ??????????????? ??? ??? ???? ????? ???????, ??????? ??????? ??? ??????????????.

command

???? ??? ?? ????????? ??? ???? ??? ??????????? ??????? ????? ??? ?? ???????? ?? ??? ????????? ?????? ??? ???зе????????? ??????. command ???? ?? ???requirements ???? ?? ??????, ??? ??? ????????? ??????? ??????????????? ?? ??? ??????????????, ???????? ??? ??????? ??????.

6. ??? ??????????

Welding is a method of welding and processing workpieces using welding equipment. ?????????????????? ??? ???? ?? ??????? ???????? ????? ??? ????????? ?????????????????????? ???? ????????. ???? ?? ???requirements ???? ?? ?????, ??? ??? ????????? ??????? ??????????????????? ??? ????? ??????????, ????????????? ?????????? ??? ??зе? ??????????

7. ?????? ??????????????

??????маркиров??? ??? ?? ?????? ???? маркировку ????pieces ??? ?? ???зе??маркировку ??????. ???????мар???? ???????? ????? ??? ???? ????? ??????????????, ??????????, ??? ??? ???????. ???? ?? ???requirements ???? ?? ??????, ??? ??? ????????? ??????? ??????????? ?? ???зе???????????? ??? ???зе???????.

???:

??????????? ??? ?? ?????? ???? ??????????? ??? ?? ??????????? ??????? ???? ?? ???requirements ???? ?? ?????, ??? ??? ?????????? ??????? ??????????? ?? ?????????? ?????, ????????? ????? ?????, ??? ?????? ????????????.

9. ???????? ??? ????????

Casting is the process of melting metal, pouring it into a mold, and cooling it to solidify and form. Spanish ???? ?? ???requirements ??? ?? ?????, ????? ??? ????????? ??????? ???????? ????? ??? Sand casting ??? metal mold casting.

?? ???????? ????? ????????????????? ??? ??????????????? ?????????????????. ???? ??????? ????????????, ?????, ??? ????????????????, ??? ??? ?????? ????? ????????????????? ?? ????????? ??????? ????? ?????????? ?? ???????? ??????? ?????? ??? ?