professional technical guidance
Professional technical guidance!
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professional technical guidance
专业技术指导
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Training and technical guidance for the company of professional and technical service personnel to provide customers with timely, efficient service and cross region.
公司专业技术服务人员为客户提供及时、高效的服务和跨区域的培训与技术指导。
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