Read Edit View history 矿柱 kuàngzhù ore pillar Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 矿柱/ 礦柱 kuàngzhù ore pillar A section of an ore body or a built column left in place during underground mining to support the roof and protect tunnels or surface structures. Edit Delete References Add reference classifier 矿柱/礦柱 → 根/根 Edit Delete
矿柱/ 礦柱 kuàngzhù ore pillar A section of an ore body or a built column left in place during underground mining to support the roof and protect tunnels or surface structures. Edit Delete