ISBN: 9787502155292 - 职业技能鉴定试题集：光通信机务员 中国石油天然气集团公司人事服务中心 石油工业出版社 9787502155292 (1 Ergebnisse)

paperback. Zustand: New. Paperback Pages Number: 206 Language: Chinese. Occupational Skill Testing Question Set: Optical Communication Ji Wuyuan was prepared by the unified organization of the China National Petroleum Corporation. Personnel Service Center. the Occupational Skill Testing questions set in a. Occupational Skill Testing Question Set: Optical Communication Ji Wuyuan contains the primary workers. mid-level workers. senior engineer and technicians four levels of theoretical knowledge questions and the skill.…