??????????,?????????,??????????????????;????????;?????????;?????????????????????,????????????????,???????????????,????????,??????????
1??????????,??????????,????????????????(???,?,??)?
2?????????(???,??,???)?
3????,???,?????,???????????
4??????,???????????:
4.1?????????,????(?:??,??,???)?????(???,???)?
4.2?????????(????,??,???)?????????????,???????2-3???,???3-5????
4.3???????????????,???????,???????:???=???????+500-800???
3.1????????:??????????????????????????D?????????????;
3.2?????:??????????????????????????????;
3.3?????:?????,?????,??????????;????????;?????????;?????????????????????;
3.4?????????:?????????;
1?????:?????????????????
2?????:????<1.0??,????,?????,???,?????????
3?????:????,????,????ph?,???????????????????????
4?????????
5???????,????
6?????:???????????????,????????,??????,????,???????????????
1???????,?????:????????????????,?????????????????????,??????????????????????,???????,??????,???????????,? ????????????????????????,???????????,???????????,?????????
2??????????:????????????????????,???????????????????????????????,???????????????????????????????????????,??????,?????????????????????????;????????????????????????????,??????????,??????????????,?????3~6???,????????????,??????????????????
3???????:????????????,??????,????????????????????????????????
