downhole
英['daʊnhəʊl]
美['daʊnhoʊl]
- 向下打眼,向下钻进
用法讲解
- downhole recorder 井下自动记录仪...
- downhole gas burner 井底气体燃烧器...
- downhole operation 井下作业
- downhole camera 井下照相机
相关词汇
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