贯彻实施《汽车维护、检测、诊断技术规范》急需提高维修队伍素质
관철실시《기차유호、검측、진단기술규범》급수제고유수대오소질
Anxious Need to Enhance a Level of Maintenance to Imply 《Automobile Maintenance, Inspection, Diagnose Technology Regulations》
저자의 최근 논문