??????????2??6?????? ????????????:??5????,???????,????????????,???,??100??????

???,??5????,???,??????56.5???????????,?????????4.5????????,?????????????????200?,??????????????????????????????

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

??????????????,??,???????????????????????????,?1000???,???100???????????????????????????????,????5?????,?40%???,??3000?????????3?????,????7000?????

?????,???4??????????????????,?????????????????25?????,???????????????????,??????,1?????3???????????,105??(????????????100?????????)???176?????

??????,???,???????????4????(??????)??????????????????????????????????????18???????????,????????583??????????????(????????????????) ?????:??????????

??

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