有效: effective; valid; efficaciou ...水: water保持: keep; hold; retain; maintain ...能力: ability; capacity; capabilit ...保持能力: hold facility动力保持能力: power conservation航向保持能力: course keeping ability; course-keeping ability泡沫保持能力: foam retention; foam-holding capacity水份保持能力: water retaining capacity水保持: water conservation有效水: available water挟持能力: bitting capacity支持能力: holding capacity; sustaining power地下水保持: groundwater conservation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有效水量: chresard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
