soil resistivity معنى"soil resistivity" أمثلة على "soil" معنى "resistivity" معنى "electrical resistivity" معنى "soil" معنى "arterial resistivity index" معنى "electrical resistivity and conductivity" معنى "electrical resistivity method" معنى "alkali soil" معنى "alluvial soil" معنى "azonal soil" معنى "blood and soil" معنى "compacted soil" معنى "conservation of soil" معنى "cultivable soil" معنى "eroded soil" معنى "fertile soil" معنى "forest soil" معنى "hydromorphic soil" معنى "infobox soil" معنى "intrazonal soil" معنى "limestone soil" معنى "lunar soil" معنى "martian soil" معنى "muck soil" معنى "paddy soil" معنى أمثلة An understanding of the soil resistivity and how it varies with depth in the soil is necessary to design the grounding system in an electrical substation, or for lightning conductors.
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