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

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

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

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