- ore-shoot crest
- 矿柱: mine prop; pillar; post; stu ...
- 顶部: top; upper apex; top half; h ...
- 支柱顶部: pillar head
- 柱顶: [建筑] capital; the top of a pillar
- 矿柱: mine prop; pillar; post; stump; rib; jamp◇矿柱巷道 [采矿工程] pillar split; 矿柱回采 pillar recovery; 矿柱强度 pillar strength
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