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。
A sound base has been provided for future engineering design.
为今后的工程设计提供了一定的依据。
A sound base has been provided for future engineering design.
为今后的工程设计提供了一定的依据。
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