1.1????????????????????,????????????,????????,??????????????<3CM?????????,?????,?????????,????????,????????>3CM?????
1.2?????,?????????????????????????????????,????????????????????????,???????????????????????????????????????????????????????????????????,??????????
1.3??????????,????????,?????????????
1.4???????????????????????,???????,????????????????,?????????????
2??????????
2.1?????:?????????????????
2.2?????:???????????????,????????,??????,????,???????????????
2.3?????:????,????,????ph?,???????????????????????
2.4?????????
2.5???????,????
3????????
3.1???????,?????
????????????????,?????????????????????,??????????????????????,???????,??????,???????????,?????????????????????????,???????????,???????????,?????????
3.2??????????
????????????????????,???????????????????????????????,???????????????????????????????????????,??????,??????????????????????????
1??????????,??????????,????????????????(???,?,??)?
2?????????(???,??,???)?
3????,???,?????,???????????
4??????,???????????:
4.1?????????,????(?:??,??,???)?????(???,???)?
4.2?????????(????,??,???)?????????????,???????2-3???,???3-5????
4.3???????????????,???????,???????:???=???????+500-800???
1????????:??????????????????????????D??????????????
2?????:???????????????????????????????
3?????:?????,?????,??????????;????????;?????????;??????????????????????
4?????????:??????????
