麻豆社

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

??????? ?? ????? ??????? ?????? ????? ???. ????????? ???????, ???????????? ????, ???????? ???? ????? ????? ???? ???? ????. ?? ?????????? ???? ???? ??? ???? ??????????? ???????????? ???, ?? ??????????? ???? ?????-????????? ???. ????????? ??hs ?????? 5-7 ???? ?? ??? ??? SiO2 ?? ?????? 45%-52% ?????? ???????. ??????? ??????? ???????????????, ???????? ????? ???????????? ????, ????? ??? ??????? ??????????? ??????? ??? ??????? ???????? ?????????? ????? ?????? ??? ??????? ????? ???? ????.

???? ?????

????? ??????

???

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

?????

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

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

*
*
??????????
**
*
?????? ????? ?????? ???
???
????