implemented three guarantees
实行三包
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The core professional equipment: the service for all core professional equipment includes "three guarantees" implemented by original factories, with time limit of two year.
核心专业设备：所有核心专业设备均包含原厂家的三包服务执行。时限为二年。
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