???? ????????? ???? ??? ?? ??? ???? ?? ????????? ????????. ??? ???? ????? ???? ??????? ??? ?????? ?? ?????? ?????? ??? ??? ?????? ????? ??????? ?????? ??????? ?? ??????.
???? ??? ????? ????? ????????? ?????? ????????? ??????? ??? ????? ???? ??????? ??? ????? ?????? ?????? ?????? ?? ????? ?????? ?????????.
???? ????? ??? ?????????
???? ?? ????? ????? ????????? ??????? ??????? ????? ?? ???? ????? ?? " ??????? → ????? → ??????? → ??????? "? ??? ???? ?? ???? ???? ????? ???? ?????? ?????? ???????.
1. ????? ?????????
??? ???????? ????? ?? ???? ???? ????????? ??? ?????? ???? ??? ???? ?????? ??????? ??? ????? ?????. ????? ??? ?????? ?????? ????? ??? ???????:
- ??????? ????? : ??? ????? ??? ????????? ???? ????? (??? ???? ???? ???????? ≤ 1200 ??) ??? ??? ?? 200 ?? ?????? ????? ???? .
- ??????? ??????? ???????: ????? ???????? ??????? ?? ???????? ??? ????? ????????? ??????? ???? ???? ??? 20-50 ?? ?????? ????? ??????? .
???????? ??????? ??????????: ??????? ???? ????????? ???? ?????? ??? ????? ??? ?????? ?????? ??????? ??? ???? ??? ????? ????? ??????? ???? ??????? ???????.
2. ??? ???????
??? ????? ????????? ??????? ??? ????? ?????? ????? ?????? ???? ??? ? ?? ??? ?????? ??? ????? ??? ????????? ?????? ???? ????? ???????? ?????.
3. ????? ???? ??????
?????? ????? ????????? ??????? ??? ???? ?? ???? ?????? ?? ????? ????? ????? ????? ???????.
??? ????? ????????? ???? ?????? ??????? ??????? ??? ?????? ????? ???? ??????? ?? ???? ??????. ??? ?????? ????????? ????? ????? ?????? ???? ??????? ????? ??? ??? ???? ?????????? ?? ???? ??? ???? ????? ?????? ????? ??? ??????.
4. ?????? ???????? ????????
???? ????? ????????? ?????? ??? ???? ??????? ???? ????.
????? ????????? ????????: ?????? ????? ????????
???? ????? ??? ????????? ????? ???? ???????? ???????? ???????? ?????? ???? ?????? ????????.
1. ????? ??????
????? ??????? ????? ???? ?? ????? ?????? ?????? ???? ???? ?????? ???????? ???????? ???? ?????? ????? ??????? ????? ??????? .
???? ??? ?????? ??????? ????? ????? ????????? ????????? ??????? ???? ?????? ???????? ???????? ????? ????? ????????? ?? ??????.
???? ??? ??????? : ≤30 ??.
???? ?????? ????????? : 1-22 ??/????.
???? ??????? ???????? : 80-325 ??.
???? ??? ??? ?????????? ???? ????? ???????? ???????:
- ?? ????? ????? ?????? ????? ?? ??????? ?? ????? ?????? ?????? ????? ????? ?????? ??? ???? ??????? ??????? ?????? ?????? ??? ?????? ?? ??????? ??????? ???????.
- ???? ???? ????? ??????? ??????? ???? ??????? ????? ??????? ???????? ??? ????? ??? ???? ????? ????????? ???????.
- ?????? ?????? ?????? ????? ????? ?????????? ??? ???? ????? ????? ????? ???? ?????? ?????.
2. ????? ????? ???????
???? ??? ??????? ???????? ?? ????? ?????? ??????? ????????? ?????? ??????? ?? ????????? ?????????? ????????? ??? ?????? ??????. ??? ????? ?????? ??????? ????????? ????? ?? 50%? ????? ???? ???????? ????? 15%? ?? ?????? ???????? ?????.
???? ??? ?????? ????? ??? ????? ???? ?? ????? ????? ?????????? ??? ????? ????? ??????? ??????? ????????? ????? ???? ????? ??? ???? ??????? ????? ??????.
???? ??? ??????? : ≤40 ??.
???? ?????? ????????? : 0.4-40 ??/????.
???? ??????? ???????? : 80-800 ????.
???? ??? ??? ?????????? ???? ????? ???????? ???????:
- ???? ??? ???? ??? ????? ?????? ????? ??? ????? ????????? ????? ?????? ?????? ????????? ??? ????? ??? ????? ??? ????? ?? ????? ????? ??????.
- ???? ????? ????? ???? ??? ?? ???? ??????? ??????? ?????? ????????? ?? ?????? ???????? ???????? ??????.
3. ????? ??? ??????? ???????? (????? ?????????? ????????)
???? ??? ????? ??? ?????? ??????? ???????? ?????? ???????? ??? ???? ?????? ????. ??? ???? ??? ????? ?????? ????? ??? ????? ????? ??????? ?????.
???? ??? ??????? : ≤10 ??.
???? ?????? ????????? : 10-320 ??/????.
??????? ???????? : 20-1250 ????.
???? ??? ??? ?????????? ???? ????? ???????? ???????:
- ???? ????? ????? ???????????? ??? ??? ????? ??? ?????? ?????? ??????? ??????? ?????? ????? ?????? ????????? . ????? ??? ??? ?????? ???? ????? ????? ?????.
- ????? ????? ??????? ????????? ??? ????????? ????? ? ??? ???? ?????? ?????????? ??????? ??????? ?????? ??? ????? ????.
- ???? ?????? ??????? ??? ????? ?????? ?????? ??? ??? ???? ??????? ??? ????? ??? ???? ????? ?????????.
????????? ????? ?????????
?????? ??? ??? ????????? ?????? ??? ????? ????? ????????? ???? ???? ???????? ??????? ????? ????? ????????.
| ???? ??????? | ???? | ????????? ???????? ???????? |
| ?????? ???????? ???????? | 80-200 ?? | ???? ??? ????? ???????? ????? ??? ???? ????? ?? ????? ??????????? ??????? ?? ????? ????? |
| ???? ??? ???? ?????? | 200-400 ?? | ????? ?????????? ????? ?????? ??????? ????? ??????? |
| ????? ?????? | 325 ???? | Fe?O? ≤ 0.1%? ???? ?????? ?????? |
| ????? ????????? | 400–1250 ?? | ???? ?????? ???? ????? ????? ??? ??? |
| ?????? ???????? ??????????? | 800–2500 ?? | ????? ???? ????? ??????? ??????????? |
| ????? ??????? ????? ???????? ?????? ?????? | 80-200 ?? | ????? ???? ?? ????????? ???????????? ????? ??? |
???? ??? ????????? ???????
???? ?????? ??? ?????? ????????? ??????? ????? ??????? ?????????? ????? ?? ????? ????? ???????? ???? ???? ???? ??????? ????????? ??????? ???????.
???? ???? 杏吧论坛 ????? ??? ??? ??????? ????????:
- ???? ?????? : ???? ???? ?? 40 ????? ?? ????? ????? ??? ?????????? ??????? ?????? ?? ???? ?? 100 ????.
- ???? ????? ????? ?????? : ???? ????? ?????? ?? ???? ?????? ????????? ????????? ??????????.
- ??????? ???? ????? ?????? ?? ??? ??????? : ???? ??? ?????? ???????? ???????? ?????? ??????? ??????? ???? ???????? ??????? ??????? ??????? ????? ???.
- ???? ??????? ??????: ???? ?????? ??????? ????????? ????????? ????????. ???? ??? ??????? ?????? ????.




