【二手书旧书95成新】 石油石化职业技能鉴定试题集：配电线路工 中国石油天然气集团公司职业技能鉴定指导中心 9787502175047 - Tapa blanda

Petroleum and petrochemical Occupational Skill Testing Question set: distribution line workers(Chinese Edition)

paperback. Condición: New. Paperback Pages Number: 463 Language: Chinese petroleum and petrochemical Occupational Skill Testing Question set: distribution line workers by the China National Petroleum Corporation Occupational Skill Testing Guidance Center. according to the grading standards of the professional qualification of the distribution line workers. unified organization prepared Occupational Skill Testing Authority of the petroleum and petrochemical questions set in a. Test set: Occupational Skill Testing for pe. Nº de ref. del artículo: N45103

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