????:1??????????:????

2????????

3?????????

4?????600?????

5???????

??????6???17????????????(? ?????????????)??17??,6??16????????8??17?8???????,?????,?????,????????????????????????????,??,????????,??????,?????11????15?0.02???2.55????

17???????????????8?,???????,?,??,?????????,???8?11???????0.02???????2.55??;?????????????20.80?????????(???????18.5???),?2.30?,??32200?????

?,??24???,????1.5??????????????????,???????????????,????????2????????????????????5?,???????????????????????????????(??) ???:????????