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2025-02-23 00:05:58 18932

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