The hand knob and the shell employ a screwed joint, which can reach the self-hold request of the device.
手柄与外壳采用螺纹连接，可以满足机构的自锁要求。
This paper synthetically discusses and analyzes the self-hold nuts being used widely in home and abroad, especially the structures and applications of four new types of nuts with new designs.
对国内外广泛应用的自锁螺母进行综述与分析，并对新设计的四种新型自锁螺母的结构和应用进行了分析与探讨。
This paper synthetically discusses and analyzes the self-hold nuts being used widely in home and abroad, especially the structures and applications of four new types of nuts with new designs.
对国内外广泛应用的自锁螺母进行综述与分析，并对新设计的四种新型自锁螺母的结构和应用进行了分析与探讨。
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