The full text of about 30,000 words, from four components.
全文约三万字，由四部分组成。
Sichuan is rich in local color, and China is one of the four major branches, mainly from Chongqing, Chengdu and northern Sichuan, where southern Sichuan-style dishes of special components.
具有浓郁地方色彩的川菜，是中国四大菜系之一，主要由重庆、成都及川北、川南的地方风味名特菜肴组成。
Applying those four principal components, the approaches for warranty management value upgrading were discussed from different aspects.
以这四个主成分为分析核心，从不同角度分析了保证管理价值的提升途径。
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