???????????????????
?“??”?,???????????????????,???????????????????,???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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