51吃瓜

????! ????????? ??? ?????????????? ?????????
?????????? ???? CNC ??????????????, ??????? ?????????? ???????, ??? sheet metal processing and manufacturing ????? ??? nekā 16 ???
Germany and Japan's high-precision production and testing equipment ensure that the precision of metal parts reaches 0.003 tolerance and high quality
???? ????????? ??????????? ????? ?????????? ?????? ????? ?????????????????
????????:: home > ????? > dynamics-action > ???? ????????? ??????????? ????? ?????????? ?????? ????? ?????????????????

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

???????:2024-08-15     ????? ?????? :


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

??? ?????????, ???? ???????, H62 ????, ??? H68 ???? ????? ????? ????????? ???????????????. ???????? ??? H68 ????, H62 ???? ??? ????? ????? ?????? ?????.

???? ????????? ??????????? ????? ?????????? ?????? ????? ?????????????????(pic1)

?????? ????? ?????? ??? ?? ??????????-???????, ??????-????????????, ??? ?????-????????????????????, ??? ?? ????? ???????????? ?????????? ??? ????????? ?????? ??????? ?? ?????????? ??????, ??? ?????????? ???????? ??? ?????? ??? inferior to that of brass. Bronze has stronger cold work hardening than brass and requires frequent intermediate annealing.

???? ??????? ??? ?????? ????? ??? ????????????? ???????????bility ??? ??? ???? ?????, ????? ?????? ??? ??????? ???? ????????????? ?? ??????????. ??????? ??? ???? ??????? ??????? ???????? ?? значительно ??????? ??? ?????????? ?????? 200 ??? 400 ????? ??????? ??????? ??? ??????????????????. ???????, ??? ??? ???? ????????? ?????? ??? ??????. ??? ??? ???? ????????? ??? ??????, ???? ????????? ??????????? ???????????? ???? ??? ?????? (???? ??