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This article about the application of geological exploration.
本文谈谈地质勘探的应用。
youdao
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There was no the same problem encountered in the past coal geological exploration.
以往的煤田地质勘探工作没有涉及该问题。
youdao
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There was no the same problem encountered in the past coal geological exploration.
以往的煤田地质勘探工作没有涉及该问题。
youdao