operational ration 军粮
Scientific and proper ration of spares is a significant problem because the amount of spares can not only affect equipment maintenance and overhaul but also its operational readiness.
科学合理地解决备件配置问题一直为人们所瞩目，备件配置数量的多少不仅影响装备的维修甚至影响装备的战备完好率。
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