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2025-02-22 21:40:06 74018

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