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

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

??:?????