有效: effective; valid; efficaciou ...水量: water yield; the yield of wa ...最高有效水量: field capacity有效水: available water无效水量: echard净有效水头: available net head; net available head; net effective head土壤有效水: soil available water有效水分: available moisture capacity; available water; chresard; effective moisture有效水份: available moisture; readily available water有效水封: effective seal有效水流: effective current flow有效水平: effect level; significant level有效水容量: available water capacity有效水深: available depth; effective depth有效水头: acting head; active head; available head; available hydraulic head; effective head有效水压头: available pre ure head; available pressure head总有效水头: gross available head生理有效水分: physiological available water土壤有效水分: available moisture of the soil; available soil moisture有效水分贮量: productive moisture reserve有效落差, 有效水头: effective head有效水保持能力: available water holding capacity有效持水量: effective water-holding capacity; usable capacity有效供水量: available water supply有效含水量: available moisture capacity
