柴油夏天密度为0.84 1000*0.84=1190升 (1000也就是1吨)汽油密度为0.74 1000*0.74=13......
柴油夏天密度为0.84 1000*0.84=1190升 (1000也就是1吨)汽油密度为0.74 1000*0.74=13......
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