conical mine的意思|示意
美 / ˈkɔnɪkəl main /
英 / ˈkɑnɪkəl maɪn /
锥形炮眼
conical mine相关例句
A conical diffuser has been widely used in mechanical and mine engineering.
机械和矿山工程中广泛使用锥形渐扩管。