通过对盒形件拉深过程的应力分析，得到了焊缝移动规律。
The regularity of the weld bead displacement is deduced by analysing the stress of the square cup stamping.
盒形件拉深主要变形区集中在盒形件角部的法兰和凹模圆角部位。
The main deformation areas of the rectangular box in deep drawing were flanges and the circle-corners of female die in the corners.
石头的外部噪声会被内部感知，它在盒形模块中传播并且音量会因为本身的金属结构而扩增。
The outside noise of the stones is perceived inside, it resonate in the box-shaped modules and it's amplified by the metal structure itself.
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