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

????:????????:??95??

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

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