According to the syntaxis skill of shock wave and the theory of effective charge,the annular conical booster pellet structure is designed.
根据冲击波汇聚技术原理及有效装药理论,设计出环


药装药结构。

的;圆
的
面
壳;圆
壳;
薄壳
齿轮According to the syntaxis skill of shock wave and the theory of effective charge,the annular conical booster pellet structure is designed.
根据冲击波汇聚技术原理及有效装药理论,设计出环


药装药结构。
The saxophone has a single reed mouthpiece like a clarinet , a conical brass body like an ophicleide, and a metal body with a flared bell .
萨克斯风外
上有著跟竖笛一样的单簧吹嘴,黄铜色的身
又像低音大号,以及金属制成的喇叭口。
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