有效库容
effective storage capacity
effective Capacity
effective storage
available storage
usable capacity
utilizable capacity
usable storage
live storage
等效库容
equivalent reservoir capacity
地下水库库容
goundwater reservoir capacity
数据库有效比率
database effectiveness ratio
水库库容
storage capacity of reservoir
Reservoir capacity
有效库存水平
effective inventory level
Aiken内容效度与同质性信度
Aiken content validity and Aiken homogeneity relia
吨汽有效容积
ton steam effective volume
有效容量
available capacity
effective Capacity
available storage of water
useful capacity
actual capacity
available horsepower
service capacity