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岩土工程勘察和试验. 地液压试验. 第2部分: 用开放系统在钻孔中进行渗水性试验
Geotechnical investigation and testing - Geohydraulic testing - Part 2 : water permeability tests in a borehole using open systems
参考页数:35P.;A4
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土壤质量.为进行农业土壤学研究在地中安装压力计的方法
Soil quality. Method for installing a piezometer in the ground for agropedological purposes.
参考页数:9P.;A4
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地下水保护相关土壤性质的测定,判定土壤质量.
Soil quality - Characterization of soil related to groundwater protection.
参考页数:68P;A4
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农田水资源利用效益观测与评价技术规范? 总则
Criterion for observation and evaluation on water use efficiency in farmland.General principles
价格:¥0.00
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土壤凋萎含水量的测定? 生物法
Determination of permanent wilting water content in soil.Biological method
价格:¥0.00
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农田灌溉水中苯、甲苯、二甲苯最大限量
Maximum Limits of Benzene, Toluene and Xylene for Irrigation Water Quality
价格:¥0.00
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