并对几种常用过渡配合的理论计算值及实际统计值作比较，这对于机械设计中的精度选择有实际参考意义。
The theoretical calculation value of some common transition fit is compared with practical statistical value, which is of practically reference to the accuracy selection in mechanical design.
提出一个“机械设计制造及自动化”专业教学新体系。
A new teaching system on mechanical design, manufacture and automation is proposed in this paper.
吸丝带是烟厂吸附法输送烟丝的主要部件，易耗、成本高。本文介绍了自行设计、研制的吸丝带，其工艺流程、工艺参数及机械设计情况。
This paper introduces a cut tobacco adsorbed conveyer belt for high speed cigarette machine which is designed and developed by oneself, and its technological process and parameter, mechanism design.
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