给出了对这些型号挂弹钩的计算实例，讨论了各种结构参数和物理参数对弹射性能的影响规律。
Several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed.
产品有各种弹芯领钩、裤扣、拉芯扣等金属服装辅料。
Other products include different kinds of stretchy collar hooks, trouser button and other clothing accessories.
产品有各种弹芯领钩、裤扣、拉芯扣等金属服装辅料。
Other products include different kinds of stretchy collar hooks, trouser button and other clothing accessories.
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