The proven reserves are obtained based on the continuous summarization and deepened understanding of geologic rule.

探明储量是在不断总结和深化地质规律认识的基础上获得的。

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The proven reserves are obtained based on the continuous summarization and deepened understanding of geologic rule.

探明储量是在不断总结和深化地质规律认识的基础上获得的。

youdao