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

???????????????????“??”???????????????????,???????????????????,???????,????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???????,?????????????????,????(? ??????????? ????? ?????)

??:????