运输服务质量全面提升。

Transport service quality has been improved.

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这些标准包括最高质量的产品和全面的客户服务。

Those standards include top quality products and comprehensive customer service.

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保持服务的质量标准和全面的操作知识。

Maintain the service quality standard and comprehensive operation standard.

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保持服务的质量标准和全面的操作知识。

Maintain the service quality standard and comprehensive operation standard.

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