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Artificial rock is absolutely necessary for exploitation research in oil - field.
人工岩样是油气田开采研究中必不可少的用品。
youdao
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The present ground stress has important effect in the exploitation of oil field.
现今地应力对油田开发有重要影响。
youdao
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The present ground stress has important effect in the exploitation of oil field.
现今地应力对油田开发有重要影响。
youdao