??? ??? ???????? ????
??????? ??????
??????? ??????
??????? ??????
3 - ???? 12 - ??? ???????? ???? (????????? 3 ?? - 12) ??????? ???????? ???????? ?????? ??????? ??? ??? ???????????? ????? ??????? ?????? ???: (1) ??? ????, (2) ??????? ???? ???????, (3) ???????? ????????, (4) ????? ?????? ?????, ?????.
????? ???????? ??????:
1, 3 ?? ????? ??? ?????????
2, ????? ??????? 12 ????,
3, ??????? ????? φ 70 ????
4 ??????? ??? 1680 ??/?????.
5, ???????? ??? 15、30 / ??????
6, ???? ???? <0.2 ????,
7, ????? ???? ????: 550 ??????? *6 (?????) ????? ???? ????? 7114, 1400 ??/?????, ???? ???? - ??? 380 ????
8, ???????? ???? ????: 25 ???????, ????? ???? ??????? - 25 - 4/80 (???? ??????? ???? 40) ???? ??? - ??? 380 ????
===============================?????: ????????? ????????? 3 ?? - 12======================================