I through the wood of the fastening cage, from time to time to observe the a rather read novelty bird and cage is an active and restless, indomitable prisoner, once free, it will fly cloud.

我透过木条紧固的鸟笼，不时观察着一只颇念新奇的鸟，笼子里是一个活跃、不安、不屈不挠的囚徒，一旦获得自由，它一定会高飞云端。

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This article is to confirm the corresponding factors for crack causing and the fatigue life, through an analysis of cracks at fastening plate, welding seams at the end of frame brace.

本文通过对交叉杆扣板直焊缝、端头环焊缝等各部位裂纹的分析，找出了其断裂机理及与疲劳寿命的相关因素。

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Through the analysis and discussion of fastening intensity of trip bolt used in low voltage apparatus, the design data about screw join is calculated.

对低压电器螺钉连接的强度进行了理论分析和探讨，得出了螺钉连接的可靠性设计数据；

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