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

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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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