???????????????????

???????????????????“?????”????,?,????????,?????????2???5????,?????

???(???????/????????-??)?????????????,??,?????????????????????????????,??282.77???????,????10Mpa?

??81.52????,??????????,??24.1?????????????????????,??48.7%(?????12?????),??????47.9%(????????11.8???????),?????29.1%(??7.2?????????????????),??20%;??????????????8?,???????????30%,??10???

??????,????,???????????????????220????,??70%,??2027???????,??,?????????(??? ?? ???? ????)

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