failure cost短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 故障费用 However, these traditional quality cost analysis model almost focused on quality cost, thinking that the prevention cost increased with the quality improvement, and the failure cost decreased. 但是，这些传统的质量成本研究模型几乎都以质量成本为核心，仅从质量成本的角度进行研究，并认为预防保证费用随质量提高而递增； fabiao