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?????????9?10??????????? (??)9?10??????????,??????????????(GONVVAMA)???????????,???????????????????,??????????,???????????
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GONVVAMA????,??????????????????????????????????????????????2020??,GONVVAMA????????????????20%??,???????????
“????????,????????2000MPa??????????,???,?????????????????????,???????,?,???????????”GONVVAMA??????????????????
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GONVVAMA????????????????????????????????????,???,?????????,???,?????????????????????????????????????????9????????????????
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