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1. Oxford Dictionary

   downhole

   • IPA[ˈdaʊnhəʊl]

   英式

   • adj.
     (in the oil industry) used, occurring, or performed in a well or borehole
   • adv.
     (in the oil industry) in or into a well or borehole
2. • 釋義

   adj.

   形容詞

   • 1. (in the oil industry) used, occurring, or performed in a well or borehole one well continues to flow on its own while the other is equipped with a downhole pump

   adv.

   副詞

   • 1. (in the oil industry) in or into a well or borehole chemical-laced water and sand are injected downhole at high pressure