考点在“命名”这个词上lȾí*Ôg/lbbs.3c3t.com1Ús3
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题目是"小于0.074mm颗粒的质量百分率在5%左右“lȾí*Ôg/lbbs.3c3t.com1Ús3
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沙砾土中当细粒土含量小于等于5%时称为砂土或砾土lȾí*Ôg/lbbs.3c3t.com1Ús3
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当细粒土含量大于5%小于等于15%时称为含细粒砂土或含细粒砾土lȾí*Ôg/lbbs.3c3t.com1Ús3
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所以要确定小于0.074mm的土的百分含量确切数值lȾí*Ôg/lbbs.3c3t.com1Ús3
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那么小于0.074mm的土应用比重计法和移液管法lȾí*Ôg/lbbs.3c3t.com1Ús3
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而移液管法适用与粒径小于0.074mm且比重大的土lȾí*Ôg/lbbs.3c3t.com1Ús3
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5%左右的含量比重比较小了lȾí*Ôg/lbbs.3c3t.com1Ús3
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所以用比重计法lȾí*Ôg/lbbs.3c3t.com1Ús3
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