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There is a law between the upgrading relations from trap reserve to possible, to probable and to proved reserves.
圈闭、预测、控制、探明储量之间的升级转化关系,具有一定的规律性。
youdao
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There is a law between the upgrading relations from trap reserve to possible, to probable and to proved reserves.
圈闭、预测、控制、探明储量之间的升级转化关系,具有一定的规律性。
youdao