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

??? Al?????????? ????? ??? ???? | ??? ?????

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1. ?????? ????????

(???????? ???????? ?? ???????????? ?????????? ????? ????????? ???)

(?) ???????:

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

(?) ????????:

??????? ????? ??????? ???????? ?????????????? ?????? furn??? ?????????? ???????? ???? ??? ?????????? ??????? ??? ???? ???????? ??? ????? ????? ??????????? ???????????????? ?????????? ??????? ?????.

(3) ????????:

?????????? al???????????? ????? ???? ???? ??? ??????? ???????? ?????????? ??? ????? ???????? ???????????? ????? ??????????????? ??? ?????????? ????? ????.

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

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

????????: ???????? ???????? 6063 ??????? ?????? ???-????? ?????????? ????????? ??? ????? ????? ????? ?????????? ??????? ???????? ??????????????? ?????? ????. ?????????? ????????? ??????-????? ??????????? ????? ?????? ?????? ????? ??????? ????? ???.

3. ???

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

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

(1) ???????? pretreatment:

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

(?) ?????? ??????????

??????????? ?????????????????, ??????? ???????? ??????????, ????????? ??????????? ?????? ????????? ????, ??????? ???, ???????? ??? ????? ?????? AL2O3 ????? ?? ????.

()) ??? ??????:

???????? ????????? ???? ???? ?????? ???????? ??????? ?????????? ????? ??????????? ???????-??????, ??? ??? ??????? ?????????? ???????? ????????????? ??? ???? ???? ????. ????????? ????? ?????? ??? ???????? ???, ??? ???????????? ????????? ????????? ?????? ??????? ????, ???? ????????? ???????? ????? ??? ?????? ??????????, ????????, ?????? ???????? (??????? ??????) ???? ?????????? ??? ?????? ????, ???: ????, ??????, ???? ??? ???????? ??????? ???.


????? ???? ????? -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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