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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Schematic diagram of a typical horizontal hydraulic extruder

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aluminum extrusion profiles

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??????? ????????? ??????? ???? ??? ????? ?????? ???? ???. ??????? ????????? ??????? ??????? ???????? ???? (???? ??? ?? ???? ? -5%) (???? ?????, ???????, ???????, ???? ?? ???) ??????? ?? ?????? ?????????? ????? ???????? ?? ????? ??????.

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?????? ????????? ???? ???? ??? ??? 26 ???? '(660 ?"?) ? -72 ????' (1830 ?"?). ????? ??????? ?? ??? 3 ???? '(76 ?"?) ? 3338 (838 ?"?), 6 ????' (155 ?"?) ? 9 ???? '(228 ?"?).

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Direct extrusion process

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????? ?????? ?? ?????? ????????? ??? ???? 660 ℃. ???????? ?????? ????????? ?? ????? ?????? ????? ???? ??? ?- 375 ℃ ?????? ????? ?? 500 ℃, ???? ???? ???? ?? ?????.

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

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

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aluminum alloy extrusion

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???? ???? ????? ?????? ??? ????? ?? 16-20 ???? '??? ?? ???? ? 100 ???? ?????. ???? ???? ?????? ?????? ???????? ????? ????.

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??? ??????: ??? 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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