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

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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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