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

????:??????????:????

??,??????????????????????,?????????????????“???15????????1.5?????”??“???10????1.5??”,??“?????10????????1.8??”??10?????,?15?????????????1?????????,??1??????????????6????

??“??????30?????1.5??????”???,??50%???????,??“10??????????????”,“?”?“?????????”??,????,?“???”????????????“??”?

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

????,????????????????,?5.4??

?,???????,?????,???5000?????????,3900??3800????;??????????,???????1-5??????????,????1????????33.9%?

???? ???????????????:?????