paper r fastener 书钉 ; 扣钉
The paper discussed harm, reason, measures, and application of screw fastener connection loosening, in order to attach importance to this problem.
本文就螺纹紧固件连接松动的危害、原因，防松措施及其应用等进行了探讨，以抛砖引玉，引起人们对该问题的重视。
This paper introduces the design of press shaping mould for belt fastener of mine belt conveyor.
介绍矿用带式输送机皮带扣冲压成型模具的设计。
In this paper, an engineering approach for determining initial fatigue quality (IFQ) of aeronautic structure details (fastener holes) is introduced.
本文介绍了一个定量地确定飞机结构细节(紧固孔)的原始疲劳质量的工程方法。
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