铁路通信工网络维护管理铁路职工岗位培训教材 - Tapa blanda

Railway Communication Engineering network maintenance and management railway worker job training materials(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2014-06-01 Pages: 362 Publisher: China Railway Publishing House Railway Communication Engineering as one of the communication railway workers job training materials. according to the Railway Communication Workers National Occupational Skills Standards and railway vocational skills training to prepare specifications. The book is divided into the basic knowledge and vocational skills in two parts. Basics include: transmission system. access network systems. Nº de ref. del artículo: CW015687

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