?? ?? ???? ??????
???? ????? ?? ??? ????? ????? ????? ??????? ??????? ?????? ??????? ?? ????? ??????? ???????? ??????. ??????? ??? ???? ???? ?? ???? ??????? ????????? ???????? ?????????? ??????? ???????? ????????.
??? ??? ??????? ?????? ?????? ?????? ?? ????? ??????? (??? ????? ?????? ?????? ??????) ??????? ?? ????? ????? ???????? ????????? ??? ?? ??? ????? ?????? ?? ????? ??????? ?? ??? ???????? ??????????? ????????? ??? ?????? ???? ?????.
???????? ??? ???? ???? ??????? ?????? ????? ????? ?????? ?????? ?? ?????? ???????? ??????:
- ??????? ???????: ??? ??????? ??? ??????? ??? ????????? ??? ????????? ??? ?????? ??? ?????? ????????? ????????? ???.
- ??????? ??? ???????: ????????? ????? ??????? ???????? ?????? ?????? ??? ????????? ?????????? ????????? ????????? ???????? ???.
- ???????? ????????: ?????? ?????? ?????? ????????? ?????? ??????.
?? ???? ????? ????? ???????? ????? ???? ????? ??? ????? ????? ????? ???????? ???????. ??? ?? ????? ??????? ??????? ???????? ????????.
???? ??? ????????? ?????? ???????? ??????? ?????:
| ?????/? (????? × ?????) | ??? ????????? (??) | ?????? (??/????) | ???? ???? ????? ?????? ?????? (℃) |
| Φ1.2×8.0 | 9.0 | 1.9–2.4 | 700–800 |
| Φ2.2×14 | 53.2 | 11.4–14.2 | 700–800 |
| Φ2.4×20 | 90.4 | 19.3–24.1 | 700–800 |
| Φ3.0×20 | 141.3 | 30.1–37.7 | 700–800 |
| Φ3.6×28 | 285 | 60.8–76.0 | 700–800 |
??? ??? ???? ????? ???? ?? ?????? ?????? ??? ?????? ???? ?????? ??????? ????????? ???????. ?????? ??????? ?? ?????? ?????? ???????. ???? ???
???????? ???????? ????? ?????
????? ???? ????? ?? ??? ????? ??????? ???? ????????? ???????? ??????? ???????? ???? ???????? ?????? ?????. ?? ??? ???? ????? ?????? ?? ????? ???????.
1. ????????? ???????
????????? ??????? ?? ????? ??????? ?? ??????. ??? ????? ????? ???? ??? ??? ???????. ???? ?????? ?????? ??? ????????? ?????? ?????? ????? ??????? ??????. ?? ??????? ???? ????????? ?????? ?????? ???????? ???????? ?????? ?????? ??????. ???? ????????? ?????? ????? ???? ?????? ??? ????? ????? ?? ?????? ??????? ??? ?????? ??????? ????? ?????? ????? ????????? ???????.
2. ??????? ???????
????? ??????? ??????? ???? ????????? ???????. ???? ??? ??????? ?????? ?????? ??????? ????? ????? ?????????? ??? ???? "?????" ?? ?????? ???? ?????? ?????? ?????? ??? ?? ???????. ??? ???? ????? ??????? ???? ????? ?????. ???? ??????? ?? ??????? ????????? ???? ???? ?????? ??????. ??? ??????? ????? ??? ???? ?????? ?????? ???? ?????? ?????? ??? ???????.
3. ???? ???????
???? ??????? ???? ????????? ???? ??????? ????????. ???? ???? ????? ????? ??????? ???? ????????? ?? ???? ????? ?????? ???? ?????? ??????. ??? ??????? ???? ?????? ????? ????? ???????. ???? ???? ???????? ?? ???? ????????? ??????? ???????.
4. ???? ?????
????? ???? ????? ??? ???? ??????. ???? ????????? ?? ???????? ?? ?????? ?? ??????. ????? ??????? ??????? ???? ????? ?????? ?????? ????? ???????. ??? ??? ???? ?????? ??? ???? ????????? ???? ??? ???? ??? ????? ??? ?????? ?? ??? ?? ??????.
??? ???? ???? ??????
??? ????? ??? ??????? ???? ?? ????? ?? ???? ??????. ??? ???? ?????? ????? ????? ????.
???? ??? ??????? ???? ??? ???? ?????:
- 1 ???????: ??? ??? ????? ????? ??? ????????? ?????? ???? ??????.
- 2 ????? ??????? ??????: ???? ?????? ?????? ?????? ?? ?????? ?????? ?????? ???? ?????????.
- 3 ????? ?????????: ???? ????????? ????? ????? ???? ??????? ???? ?????? ??????.
- 4 ????? ??????: ?????? ?????? ??????? ?? ?????? ??????? ??? ???? ??? ???? ???? ???????.
- 5 ????? ???????: ??? ????? ?????? ????? ??? ???? ????? ?????? ????? ??????.
- 6 ????? ?????? ??????: ??? ????? ????? ?????? ??????? ??? ??????? ???????.
????? ????? ???? ????? ?? 杏吧论坛?
???? 杏吧论坛 ?????? ?????? ????? ???? ??????? ???????? ????? ?? ??? ??????? ??? ?????? ??? ????? ????? ?????? ???? ??????? ???? (ROI).
- ????? ????? ?????: ????? ?????? ???? ?? 80%? ???? 20–30% ?? ?????? ?????? ????????? ???????.
- ?????? ???? ??????: ???? ?????? ?????? ????? ?? ??????? ??????? (30–40%) ???????? ??? ??? ?? 1%.
- ???? ??? ????: ????? ????? ????? ?? 1.9 ??? 76 ??/????? ?????? ???????? ??????? ??????? ????????.
- ???? ????: ????????? ?????? ?? ????? ????? ????? ??????? ???? ?????? ??? ?? ?????? ???????? ??????.
- ?????? ???? ????: ???? ?????? ??????? ???????? ?????? ???????? ???????? ????? — ??? ???? ??????? ?? ???? ?????? ???????.
- ???? ???? ???: ?????? PLC ?????? ?? ???? ???????? ????? ???????? ????? ????????? ????????. ???? ?? ?????? ??? ????? ??????.
- ???? ??????: ???? ?????? ???? ??????? ?????? ???????? ??????? ???????.
?????? ???? ??????? ?? ???? ?????? ???? ?? ???????. ?????? ???????? ?? ????? ???? ??????? ??? ?????????. ???? ???
???? ????: ????? ????? ????? ????? ??????? ?? ????????
???? ????? ???? ????? ????? ???? 30 ??/???? ????? ???? ??????. ?? ????? ??????? ?? 38% ??? ??? ?? 1.5%? ?????? ????? ???? ???? ??????.
?????? ?????? ??? ??? ?????? ????? ???? PLC? ?????? ?????? ?????? ???????? ???????. ???? ?????? ????? ???? ?? 700 ?? ?? ????? ????? ??????.
"???? ?????? ???? ????? ?? ???? ?????? ??????. ?????? ?? ??????? ????? ???????? ?????? ??? ?? ???????. ???? ????? ??????? ?????? ?? ??? ????. ??? ????? ?? ?????? ?????.
— ????? ????? ???? ???????
??????? ??????? ??? ?????? ?????
1. ?? ??????? ???? ???? ??? ????? ????? ???? ??????
- a) ????? ???????: ???? ???? ???????? ???? ????? ????? ???? ????? ???? ???????.
- b) ???? ????? ????? ?????? ??????: ????? ??????? ??????? ????????? ????? ???? ???????? ??? ??? ?????? ???? ????? ??????? ?????? ?? ????? ???????.
- c) ?????? ???????: ??? ?? ?????? ???? ?????????? ????? ???????? ?????? ???????? ?? ????? ?????? ?????? ???? ????? ?????.
- d) ???????: ??????? ???????? ???? ???????? ???? ??????? ????? ?? ?????? ??? ??????? ???????? ???????.
2. ??? ??? ????? ???? ??????
- ??? ????????? ????????? ??????? ???? ????????. ???? ?? ???????? ????????? ???????? ??????. ?? ?????? ??????? ???????? ?????? ??? ????? ??? ??????. ??????? ?????? ???? ??? ?????? ????? ?? ??????? ??????.