cone-in-cone limestone叠锥灰岩;详细翻译
fumarolic cone-in-cone喷气叠锥
cone-in-cone structure[地质] 叠锥构造;套锥构造;迭锥构造
cone-in-cone viscometer锥锥粘度计
cone-in-cone coal套锥煤
cone-in cone coal套锥煤