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Therefore, ore prospecting was cast about for source bed.
因此，找矿重点是寻找矿源层。
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The posttraumatic hydrothermal solution is the principal source of ore-forming fluid.
断裂和岩浆岩是两大重要的成矿地质条件。
youdao
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The posttraumatic hydrothermal solution is the principal source of ore-forming fluid.
断裂和岩浆岩是两大重要的成矿地质条件。
youdao