Reformation Practice on Drafting System of Zinser 660 Roving Frame
青泽660型粗纱机牵伸机构得改造实践
Teaching Reformation and Practice the Course of Mechanical Drafting in Adult higher Learning
成人高校机械制图课教学改革与实践
Practice and Research on Teaching Methods of Mechanical Drafting Course in a High Vocational College
高职院校机械制图课程教学方法的实践研究
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