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　　?? ???? ????? ?? ????? ????? ????? ??????? ?????? ??????? ?? ?????? ??? ???? ???? ???????? ?????? ??????? ????????? ??? ???? ????? ????? ????? ?????????? ??????? ????????? ?? ??? ?? ???? ??????? ?? ????? ???????. ?????????? ????? ?? ????? ??????? ?? ????? ???? ???? ?????? ?????? ????????? ??????? ?????? ???????? ???? ???????? ??? ??????? ??????? ?? ????? ??????? ?????? ??????? ??? ??? 1994 ????? ???? ?? ????? ??? ??? ????? ???? ??????? ??????? ?????????? ?????? ?????? (SLS) ?? ?????? ????? ????? ?????? ??????? ??????? ??????? ??????? ?????? ????????. ??? ????? ?????? ?????? ?????? AFS-360 ?500 ?LaserCore5100 ?5300 ?7000 ?????? ?? ?????? ????? SLS? ?????? ???? ?? 400 ?????? ??????? ?????? ????????? ?????? ?? ?????? ?????? ????? ????? ?????? ???????? ????????????? ????? ????? ???????? ??????? ?????? ?? ???????? ?????? ?????? ???????? ?????????.

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　　?? ???? ????? ????????? ?? ??? 2001? ???? ???? Longyuan Forming ?? ??? 2001? ????? ??????? ??????? ??????? ???????? ?????? ??????? ???????? ???????? ???????? ???? ?????? ????? ?? ????? ???? RP ????? ????????? ???? ????????? ?????? ????? ????? ???? ?????? ?????? ????????? ?? ??? 2006? ?? ??????? ????? ??? ????? ??????? ??????? ??????? ??????? ??????? ????? ?? ??????? ?????? ????? ???? ???????? ???? ????????? ??????? ??????? ?? ??? 2011? ???? Longyuan Forming ?? ????? ??? ????? ??? ?????? ????? ????? ?? ??? ?????? ??????? ???? ?????? ????????? ??????? ???? ???????? ?? ????? ?????? ????? ???? ??????? ???? ?????? ??? ???? ??????? ?? ???? ??????? ?????? ???????? ?????? ????? ??????? ??????? ???????? ???????? ???? ???????? ????? ?????? ??????? ?????? ????? ???????? ?????? ???? ?????????.

　　?? ???? ???? ?????? ??????? ???? ???? ???????? ??????? ?????? ??? ??????? ??????? ??????? AFS-320 ??????? ????? ????? ????? ??????? ????????? ?????? ?????? ???? ????? ???? ?? ????? ???????????? ????? ???? ????????? ?? ???? ????? ??? ????? ????? ?????? ??? ???????? ???? ???? ?????? ?????? ?? ??????? ?????? ????? ??? ?????? ??????? ????? ?????? ?????? ???? ????? ?????? ?????? ?? ????? ????? ???. ?? ???? ?????? CAD ????? ???? ????? ????? ????? ??????? ?????? ??????? ?????? ?????? ???? ???? ?????? ??????? ?????? ??? ???????. ????????? ??? ???? ???? ??????? ????? ????? ?????? ???????? ??????? ???????? ?????? ??????? ?????? ????? ?????? ?????? (??????? ?????????? ???????? ????? ?????) ???????? ????? ?????? ???? ?????? ?????.

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　　?????? ?????? ??????? ????? Longyuan Forming ?? ????? ??????? ??????? ?????? ??????? ?? ?????? ??? ???? ???? ???????????? ????????? ?????????? (ECONOMIST) ??????? ?????? ????? ?????? ???? ???????? ?????? ?? ????? ???????? ????? MACHINE DESIGN ?????? ?? ????? ??????? ??????? ???????? ???????? ?????? ???????? ?? ??? ???? ?? ??????? ?? ???? Longyuan Forming? ????? ????? ????? ????? ?? ??????? ????? ?? ???? ????????? ??? ?? ???? ????? ??????? ???????? ?????? ??????? ?? ?????.

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