What is specific permeance? a) specific permeance is product of permeance of unit length and depth of field b) specific permeance is ratio of permeance of unit length and depth of field c) specific permeance is the permeance per unit length d) specific permeance is the permeance per unit pole
What is specific permeance? a) specific permeance is product of permeance of unit length and depth of field b) specific permeance is ratio of permeance of unit length and depth of field c) specific permeance is the permeance per unit length d) specific permeance is the permeance per unit pole
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