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2013-05-23 12:21
求翻译：Lees’ rational method w1x of aggregate grading design may be used for unbound materials, such as base courses as well as for bound mixtures, such as asphalt concrete mixtures and plain and reinforced portland concrete. For unbound materials the two most important needed properties are minimum voids (maximum solid densi是什么意思？ 待解决
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Lees’ rational method w1x of aggregate grading design may be used for unbound materials, such as base courses as well as for bound mixtures, such as asphalt concrete mixtures and plain and reinforced portland concrete. For unbound materials the two most important needed properties are minimum voids (maximum solid densi
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