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

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

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