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Abflussspende f
construct.	design discharge rate
earth.sc., life.sc.	discharge per unit area; specific discharge; unit discharge
Abflußspende f
construct.	modulus of flow; rate of runoff
melior.	run off modulus
nat.res.	specific discharge (from a basin)

Abflussspende : 2 phrases in 2 subjects

Geology	1
Mining	1