51吃瓜

?? ????????????? ?????????? ??? ???? ??? ????? ?????? ??? ??? ?????? ??? ?????? ????? ??????? ????????? ????????. ?? ?????? ?????? ??? ??????? ???????????? ??? ???? ?? ??? ????, ????? ?? ??????? ????? ????????? ??? ????????? ? ??? ??????? ??? ? ?????????? ??????????? ??????? ??? ??? ????? ????????? ??????????? ??????????. ?? ???? ???, ?? ??? ???? ?????? ??? ?????? ??? ????????? ??? ???? ???? ???? ??????? ????? ???????????, ???? ?? ????? ???? ??? ????????? ??? ???? ???? ???? ?????? ?????????? ????? ???????????. ????? ????????? ??? ????????? ?????????? ????? ????????? ???????????? ????? ?? ????????? ??? ?????? ?????????? ??????????? ????? ???? 2010. ??? ????? ??????????? ??? Continuous cold extrusion production technology ??? 2012 ??? ???????? ????????? ??????????kwalite? ??? ?????????? ?????????????. ??? ??????????????????? ??? ????????? 0,02 Due to the fine division of labor in the manufacturing industry, precision cold extrusion technology is a niche field.?????? ??? ???? 3 ??? ?? 20 ???! ???? ????????????? ??? ???? ????? ????????? ??? ??? ???????? ??? ????????????? ?????????? ??? ????????????. Precision cold extrusion technology, EMAR is able to mature through continuous self challenge!