?? ?????? ????????????0?
????:1???????200??:??150????
2?????qq???
3??????????????
4???????????
5???????????
??12???????18?????? (? ???????)?????18?????????,??,??17????????????????65?,????????????0.4??
???,???????????18????,???????,??,????????????????,??
??,?????????17??6.1?,???,????2.1??
?????????,18??20?,????????,???????8??9?????????????21??????????23?,??????1????????????3??
??????,?,19????????20????,???????????:?2?????5????2???0????,????????10??12?,???????6???9??(??) ???:?????????