cost-coveringBNC²³⁶²¹³⁺¹ 例句 For a long term, the state governed and planned the military producing and uniformly priced the products on the principle of cost-covering, low margin and free- tax in our country. 长期以来，我国军品生产定价以计划管理为主，是在“保本、低利、免税”原则下，实行统一管理、国家定价。 fabiao