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

??????????????“??”????????,??,????,?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?????????????????,??,???(?? ??? ???? ????????)

????????????????:???????