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

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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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