The results show that ① the main ore-body controlling structure is the contact zone of ore-bodies an

中文解释

结果表明：①岩体与大理岩的接触带是控制工业矿体产出的最主要因素，尤其是接触面上向岩体一侧凹进的“凹兜”直接控制了矿体产出；

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