cone-in cone coal的意思|示意
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锥形煤
cone-in cone coal的网络常见释义
套锥煤 ... cone-cylinder-cone model 锥形头部和尾部的圆柱模型 cone-in cone coal 套锥煤 cone-in-cone limestone 叠锥灰岩 ...
cone-in cone coal相关短语
1、 cone-in-cone coal 套锥煤