正版现货 压路机操作工(初级·中级·高级·技师) 交通专业人员资格评价中心编著 压路机 压路机操作工职业技能鉴定培训教材 - Tapa blanda

The compactor operatives (Beginner Intermediate Advanced technician)(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2010. Pages: 248 in Publisher: People's Communications Press compactor operator (Beginner Intermediate Advanced technician) according to Human Resources and Social Security. as well as transportation jointly issued by the Ministry of National Occupational Standards - Roller operatives prepared at the request of. divided into the early. middle. high and technicians four levels. the main contents include basic requirements. basic knowledge. rollers operatives work requireme. Nº de ref. del artículo: CC004567

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