Sound from the market development, engineering design, manufacturing, quality assurance, after-sales service network management system.
健全了从市场开发,工程设计,加工制造,品质保证,售后服务网管理体系。
Minimum service life shall be specified for civil engineering design.
土建工程的设计应有最低使用寿命的要求;
Minimum service life shall be specified for civil engineering design.
土建工程的设计应有最低使用寿命的要求;
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