Read Edit View history 矿柱 kuàngzhù ore pillar Origin Definitions Defs Strokes Stroke Words Sentences Sents 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. Frequency Written text 0.076 per million Cross-References Classifier 根 gēn Sources Frequency data BCC Corpus (BLCU)
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. Frequency Written text 0.076 per million Cross-References Classifier 根 gēn Sources Frequency data BCC Corpus (BLCU)