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2025-02-22 21:35:11 22202

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