国产精品久久亚洲,www.999riav,久久久久久的老女人,美女av.com

???? ??? ???? ???? (COVID-19) ????? ????? ?? ?? ???? ??? ???? ???? ?? ??? ???? ????? ?????? ?? ??????? ????? ???????? ?? ????? ??? ?? ????? ???? ??? ? 3D ??? ?????? ??? "???? ??? ??????? 3D ??? ??? ???? ???? ???? ?????? ???? ??? ???? ????", "????? ???? ? 3D ????" ?? "????? ? 3D ?????" ?? ????? ???.

????-19 ???? ?????? 3D ???? ???

3 ?-???? ????? ????

3D ??? ???????? ??? ?? ??? ?? ??????? ?????? ???? ????????? ?????? ?? ???? ???? ?????? ??? ??? ??? ???? ???? ? ??? ?? ??? ??? ??? ??? ? ????? ???? ? ??? ???? ????? ?????? ?? ??? ???? ?????? ????? ??? ??? ???? ?

??? ??? ???? ???

????? ??? ?? ????? ????, ????? ????? ????-?? ??? ??? ???? ??? ????? ??. ????? ??? ??? ???? ???? ????? ?????? ?? ?? ???? ?????? ???? ?????? ?? ??? ???? ?????? ???? ?????? ???? ?? ??? ?????? ????? ??? ?????? ?? ????? ??? ????? ??? ?????? ???, ????? ????? ??? 3D ????? ?? ?????? ???? 3D ????? ???? ??? ????. ?? ????? ??????? ??? ??? ??? ??????? ?? ???? ??? ????? ?????? ??? ????? ?? ???? ??? ??? ??? ??? ????? ????? ?? ?????? ???? ?????? ?? ?????? ????? ????.

???? ?????? ????? ?????? ??? ????? ??? ??? ???? ????? ???? ????? ???? ?3-? ???? ????? ???? ????? ????? ???? ?? ??? ????? ??? ??? ??? ??? ????? ?? ?????? ???? ??????

3D ???? 1?1 ????? ???

????? ????

??? ???? ??? ??? ??? ??? ??? ????, ??? ??? ???? ???? ????? ????? ??? ????? ??? ????? ??????? ????. ???? ?? ??? ??? ???? ????? ????? ??????? ?????, ?????? ?????, ??? ??? ???? ????? ?????. ??? ??? ???? ??? ?????? ?3? ??? ????? ?3D ?? ????? ???? ??? ?3D ?????? ????? ???? ???? ????? ??? ????? ??? ???? ????? ?? ????? ???? ??? ????? ????? ??? ????? ??? ??? ???? ???? ???? ????? ?????? ??????? ?? ??????? ??? ?? ??? ??? ??????? ?????? ????. ??? ????? ????? ????? ????? ???????? ????? ???? ????? ????. ?????? ?? ?????, ?? ???? ??? ???? ???? ????.

???? ???? ????????

???? ???? ??? ???? ???? ??? ?3-? ??? ?????? ????? ??? ??? ?????? ?3-? ???? ???? ???? ??? ????? ????? ???? ???? ?? ????? ??????? ????? ?? ????? ?? ?????? ?3-? ??? ????? ???? ??? ????? ??? ?? ????? ???? ????? ????? ????? ??????? ????? ???, ????????? ????? ?????? ????????. 3-? ??? ???? ??? ???? ?????? ?? ???? ??????? ??? ??????

???? ? 3 ? ??? ??? ? ? CAD ???? ????? ?? 3 ? ???? ???? ?? ? ???? ? ???? ?? ????? ?????? ??????? ????? ???? ???? ????????? ?? ??? ??? ????? ?? ???? ? ???? ???? ? ???? ????? ??, ??? ?? ??? ??? ???? ?? ??? ??? ?? ???? ?? ????? ????? ?? ?? ?????. ???? ?????? ??? ???? ????? ?? ??? ???? ????? ??? ??? ????? ??? ?????? ???? ???? ???? ????? ?????? ???? ??? ????.

?????? ??????

??? ????? ?????? ? 3 ? ??? ???? ????? ??? ??? ?????? ???? ? ???? ??? ?? ????? ??? ????? ???? ??? ??? ?? ???? ???? ????? ????? ?????? ?? ???? ????? ???? ????? ????? ?????? ?? ????? ??? ?? ???? ???? ???? ?????? ?? ????? ???? ????? ?3-? ??? ????? ????? ??? ?? 3D ??? ????? ????? ???? SLA ????? 3D ??? ????? ????? ??? ????, ???? ???????, ?? ???? ??? ?? photosensitive ?? ??? ???? ???? ?? ???? ??? ????? ???? ?????? ??? ??? ?????? ??? ???? ??? ?? ????.

?

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

?3-? ??? ????? ??? ????????? ????? ?? ?????? ????? ?? ? ????? ???? ? ?? ???? ?? ???? ???? ????? ?3-? ??? ?? ????? ???? ???? ??? ???? ?? ??? ?????? ????? ?? ??? ????? 3-? ??? ???? ??? ???? ?????? ?? ???? ??????? ?? ?? ??????? ?? ????? ???? ???? ?? ?? ??? ??? ????? ???? ???? ???, ???? ????? ??? ??? ????? ??? ????? ??, 3D ???? ????? ???? ??? ??? ???? ????? ????? ???. ???? ??? ???? ????? ???? ?????? ???????? ????? 3D ????? ??????? ???? ???? ???? ?????? ????????.

???? ????????? ????? ????? ??? ??? ?????? ??? ?? ????? ?????? ?? ?? ??? ?????? ??????? ??? ??????? ???? 3D ??? ????? ????? ???????? ?? ???? ???? ?? ??? ??? ??????? ?????? ?????? ?? ???? ???? ????? ??????