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宋友山,北京市电气工程学校机电专业主任、高级教师,北京市骨干教师,北京市制冷学会高级会员,制冷工程师、制冷高级技师,中央空调高级考评员、制冷设备维修工国家题库命题专家,曾在北京广播电台927千赫制冷专家热线值班两年,并在“北京市职业技能鉴定”、“北京市安全生产监督管理局特种作业鉴定”中作为专家组织开发题库并编写培训教材。
Song You-shan, Beijing Electrical Engineering School of Electrical and Mechanical Services, senior teacher, Beijing backbone teachers, Beijing Institute of Refrigeration senior members, refrigeration engineers, senior refrigeration technicians, senior air conditioners, central air-conditioning examiners, refrigeration equipment repairman national question bank proposition experts, Beijing Radio 927 KHz refrigeration expert hotline on duty for two years, and in the “Beijing Occupational Skill Appraisal”, “Beijing Municipal Administration of Work Safety Special Operations Appraisal” as an expert group to develop questions bank and prepare training materials.