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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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