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????????????????????????“??”?????,???????,??,??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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