Screw: In machine construction, a usually circular cylindrical member with a continuous spiral rib or thread, used either as a fastener or as a force and motion modifier.
螺纹件： 机器结构中带连续螺旋肋的圆柱形件，用作紧固件或力和运动变换装置。
Introduces the steps, processes and means in the design of the automatic slide fastener assembly machine by applying with morphological analyses.
介绍应用形态分析法设计拉链头自动装配机的步骤、过程和具体方法。
The successful design of the automatic slide fastener assembly machine depends on the successful design of the assembly machine to much extent.
自动装配机的设计成功与否，很大程度取决于装配的方案设计。
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