- thick seam
- 层: I storey; tier; stratum
- 原矿: crude ore; green ore; grena; head ore; mine run; original ore; pit run; pit-run ore; raw ore; rom type ore; rough ore; run of mine ore; run-of-mine ore; run-of-mine type ore; runofmineore
- 矿层: ore bed; ore horizon; seam; stratum of ores; ore formation; manto 可采矿层 a workable seam; 矿层开采条件 seam condition; 矿层露头 outbowed; 矿层倾斜 seam pitch; 矿层图 seam plan; 矿层走向 seam strike
- 锌原矿: zinc ore crude
- 原矿仓: crude-ore bin; primary bin
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