日本又骚又刺激的视频在线观看_羞羞视频在线观看免费_国产秀色在线www免费观看_欧美乱大交xxxxxbbb

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?????, ??????????? al???????????? ??????? ???????????? ?????? ??????????? ??????? ???? ?????. ???????????? ??????? ???????????? ????? ???? ??????? ???? ????.

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Schematic diagram of a typical horizontal hydraulic extruder

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???? ?????? ????? (????????) ????????????? ????????? ???????????? ????? ????? ????????. (???????)

aluminum extrusion profiles

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????????????? ????? ????????: ????????? ????? ???? ??? ?????. ??????????? al?????????? ??????? ?????? ????? (???? 5% ?????? ????? ??????) ??? ????? (??? ?????, ??????????, ???????, ??????? ????? ????) ?? ????? ?????????????? ??????? ???????? ??? ???????? ??????????? ?????? ?????.

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

???????? ????? ???????: 26 ??? (660 ????) ?? 72 ??? (1830 ????) ?????? ????. ??????? ????? 3 ??? (76 ????) ?? 33 ??? (838 ????), 6 ??? (155 ????) ?? 9 ??? (228 ????) ?????? ????.

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[?????] [?????? ????????] [????? ???????????? ?????] ?? [????????] [????????? ????? ????]

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Direct extrusion process

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???????????? ??????? ????? ????? ?????? 660 is ????. ????? ??????????? ??????????? ??????? ??? ?????? ????????: 375 than ?????? ????? ???? ??? ?? ???????? ????? ??????????? ??????????? 500 as ???? ??? ????.

?????? ???????????? ????? ?????????? ???????????? ????? ???? ??????? ??????? ???? ?????? ???????? ??????? ????????? ???? ????.

?????????? ?????????? ????? 100 ?? ?? 15,000 ?? ?????? ??????????? ?????? ?????? ????. ?? ?????????? ?????? ???????????? ?????????? ??????? ???????? ?????????????? ???? ??????? ????.

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??, ???? ???? ??????, ?? (?????? ?????) ?????? ???????? ???? ???? ??? ???????? ???? ????????? ????????? ????? ????? ???? ???? ??? ???????? ???? ????.

??????????? ??????? ?????? 10% (???????????? ??????? ???????) ?????? ?????????? ????? ????, ????? ????????? ??????? ??????????? ????? ???? ??? ???? ???????? ??? ????? ??????? ???? ??? ???? ???? ??? ?????? ?????? ?????. ???????? ?????????? ???? ?????, ?????????? ????????? ??? ??? ?? ??? ????? ????????? ??????? ???????, ???? ?????? ??? ????? ???.

?????? ??? ???????? ??? ?????? uminum?????????? ???? ????????????? ????????? ????? ????? ???? ?????? ????????????? ??????? ???????? ?????? ???? ?????????? ?????? ?????. ???????????? ?????? ????? ???????????????, ????????? ?????? ???? ??????? ?????????? ???? ????? ???? ?? ?????

?

aluminum alloy extrusion

????? ????????? ?????? ??????? ?????? ????? ??? ??? ?????? ??????? ??????? ??????? ????. ???? ??????? ??????? ??????????? ???? ??????? ?????? ?????? ????? ????? 1-2 ?????????? ??? ??? ????. ?? ??????? ?????? ??, ?????? ???? 180 ??? ????? ????? ????? ?????????? ????? ?????? ????? ??? ????.

???????????? ?????????? ????? al?????????? ??? ??? ??? ?????? ????? ??????? ????. ??? ????? ????? 200 ??? ???? ?????????? ??????? ??? ????. ?????? ????? ??????? ??????? ????? ????? ?????? ?????? (????????? ????????? ???????) ?? ???????? ?????? ???????? ??????????;

?????????? ??????????????, ??????? ?????? ??????? ????? ?????: ???????? ??????, ??? ????? ???????? ?????? ????? ?????????????????? ?????????. ????????????? ???????????? ???????????? ????????? ?????? ?????????? ?? ?? ?????????? ????? ???. ????? ????????? ????????? ???? ?????????? ???? ???? ?? ??? ???.

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????: ?? ???? ??????? ?????? ???? ?? ???????? ?????? ??? ?? ?? ????? ???? ?????? ???? ?????? ?????? ??????????? ??? ????? ???????? ???? ?????? ????.

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???-??? ????? ???????? uminum?????????? ??????? ?????? (??? ?? ?????????? ????? ???????????? ????????????? ????? ????) ???????? ???????? ??? ??? ????????????? ??? ????. ????? ???? ????????????? ??????? ?????? (??? ?????, ????, ?????????? + ??????? ?????? ???????????? ????? ????) ?????? ???????? ??? ?????? ????? ?????. ????? ???? ???????????? ???????? ?????????? ????????? ?????? ????.

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

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??? Al?????????? ????? ??? ?????


????? ???? ????? -20-2020
日本又骚又刺激的视频在线观看_羞羞视频在线观看免费_国产秀色在线www免费观看_欧美乱大交xxxxxbbb
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