This research plays a guidance role in design and development of perforating shaped charge.
本研究对聚能射孔弹的设计与研发具有一定的指导意义。
It was octagonal-shaped, thin, and the top was a carved design of two snakes.
这是八角形，薄，顶部是一个雕刻设计的两蛇。
The whole design is like a crook-shaped arm of the mother, cozy and comfortable.
整体设计犹如母亲的臂弯，温馨，舒适。
The whole design is like a crook-shaped arm of the mother, cozy and comfortable.
整体设计犹如母亲的臂弯，温馨，舒适。
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