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拖拉机驾驶员的《国家职业技能鉴定规范》（考核大纲）（四）中级小型拖拉机驾驶员理论知识鉴定试卷１．名词解释（每词４分，共８分）基孔制修理尺寸法答案：基孔制一国家标准规定的一种基准制。基孔制是基本偏差一定的孔的公差带与不同基本偏差的轴的公差带形成各种配合...
Tractor driver’s “National Occupational Skill Appraisal Code” (assessment outline) (D) intermediate small tractor driver knowledge of the identification test paper 1. Glossary (4 points per word, a total of 8 points) Keyhole repair size method Answer: A standard system of base hole system a national standard. Base hole system is the basic tolerance of the hole with a certain tolerance of the basic deviation of the tolerance zone with the shaft to form a variety of cooperation ...