conical 专八

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理论,设计出环传结构。

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单簧吹嘴，黄铜色身又像低音大号，以及金属制成喇叭口。