flood drainage modulus 排涝模数
modulus of drainage 排涝模数
modulus of subsurface drainage 排渍模数
modulus of surface drainage 排涝模数
modulus of groundwater drainage 地下水排水模数
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To reasonably determine drainage modulus is very important for decreasing logging loss in diked area.
合理确定圩区排涝模数对于降低涝灾损失有重要意义。
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