NF P94-115-1990 Soils investigation and testing In situ tests Dynamic penetration B tip 《土壤 调查和试验 现场试验 B型尖杆活动钻进试验》.pdf

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DB11 T 927-2012 森林土壤调查技术规程.pdf

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ASTM D1452-2007a Standard Practice for Soil Investigation and Sampling by Auger Borings《用螺旋钻孔法对土壤调查和取样的标准实施规程》.pdf

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DIN 18135-2012 Soil - Investigation and testing - Oedometer consolidation test《土壤 调查和试验 膨胀剂固结试验》.pdf

DIN 18128-2002 Soil - Investigation and testing - Determination of ignition loss《土壤 调查和检测 灼烧损失测定》.pdf

DIN 18122-2-2000 Soil - investigation and testing - Part 2 Determination of the shrinkage limit《土壤 调查和试验 第2部分 收缩极值测定》.pdf

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