????⇋??????????????? ???????

????:????1500:????????

10??28????????????,???????????,?????????????,???????????,????,???????????????????12????19??P5?P7??,????????,????????

?????????,?????????????????????????????????????????????:

?????,????????????,???????????40???;

??????????,???????,???????30??

????????????????????????4.3?????????????????????

??????????????????(???????????????????????????)???????(????)??????«????????»?????????????

???,??????,??,?????????????????????????????,?????????????????????????????

(??? ??? ?????)

????:??