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