特殊用法additive depletion1.添加剂耗减average annual stand depletion1.平均年疏伐度cost depletions1.折耗成本donor depletion1.施主耗竭inventory depletion1.耗尽储备品isotopic depletion1.同位素贫化; 同位素剥淡linear depletion1.线型耗损pressure depletion1.压力枯竭random depletion1.偶然耗损salt depletion1.少盐sodium depletion1.少钠stock depletion1.储备耗损depletion of value1.折价