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

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

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