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

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

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