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3 × 5/4 × 7 ??? 6061 ??????????? ??? ????? ?????? ???????? ???????? -2 ?? ??????? ???????
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5000PSI ?????? ?????? ??????? ?????? ?????? ????? ????? ???? fjxhb5-r
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10-12 ?? ????? ????? ??? ?????????? ??? ?????? ????? ??? ???????? ??? ?? 5-?? 1
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20-30 ?? ?????????? ??? ?????? ????? ???????????? ????? ???? ?? 5-?? 9
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2 × 4 ??? 100% 6061 ??????????-????? ???????????? ????? ????-????? ?????
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2 × 4/2 × 6 ??? 6061 ???????????? ??? ????? ?????? ????? ????????? ????? ?????? -24
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???? ?????? ??????/???? ??????? ???????? ????? ????? ????????? ????? ???????????
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30-120 ???????? ??? ????? ?????? ????? ????? ?????? ??? ???
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?????????? ??????? ??? ????? ??????? ?????? ????? ???? ?????? ????? ????? ??? ???
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???? ?????? 32 ????? ???????? ?????? ??? ??? ???? ??? ????? ??????? ??? ????? ???? ?????
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???????? ????? ??? 25-50 ??? ????? ????? ?????? ???????? ???
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???-????? ??? ????? ??????? ??? ?????? 5 ???? ??? ????? ????? ??? ????? ???? ??????? ???