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

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