conchoidal shale介壳页岩
Conchoidal Frachure贝壳状的断口
conchoidal marks海滩波纹
conchoidal fracture贝壳状断口;贝壳断口;[建] 贝壳状裂痕;贝壳状的断口
conchoidal curve[数] 蚌线
conchoidal structure介壳状构造;贝壳状构造
conchoidal breach贝壳状断口
conchoidal body壳状小体
conchoidal conch贝壳状
ADJ（形容词） (of the fracture of minerals and rocks) having smooth shell-shaped convex and concave surfaces (矿物和岩石断口)贝壳样的