natural wastage自然损耗;自然流失;因退休或辞职而流失;自然垄断
commodity wastage商品损耗
energy wastage浪费能源;能量流失
wastage allowance材料许可损耗率
copper wastage电机铜耗
muscle wastage四肢出现肌肉损耗
teacher wastage教师空额;教师人力浪费
compound wastage胶料流失
voluntary wastage自愿流失
Oil immersed transformer is widely used in power transmission because of its good coolant, low wastage and price, large capacity.
油浸式变压器具有散热好、损耗低、容量大、价格低等特点。
参考来源 - 自然油循环电力变压器线圈冷却结构换热性能研究N-UNCOUNT（不可数名词） Wastage of something is the act of wasting it or the amount of it that is wasted. 浪费
There was a lot of wastage and many wrong decisions were hastily taken.
浪费很大，又仓促地作了许多错误决定。