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- 下井仪器串tool string; logging array; logging string
- 下lower
- 下一next
- 存储式随钻测井下井仪器硬件电路及软件编程Hardware circuit and software programming for storage downhole assemble of MWD
- 一下(adj) one time; once
- 仪器(scientific, etc.) instrument
- 井well
- 查找下一个find next
- 下的subaltern
- 下一个next
- 仪器放大器在石油测井仪器中的应用Application of instrument amplifier to petrolem logging tools
- 下页overleaf
- 下周next week
- 偶极子声波测井仪器中有源滤波器的设计Design of active filters in the dipole array acoustilog instrument
- 上下up and down
- 套管井阵列声波测井仪器与油气层识别技术Oil and gas analysis in cased hole by an array sonic logging tool
- 在下under
- 下雨rainy
- 下车got out
- 常见测井仪器疑难故障检修步骤与查寻方法Trouble Maintaining and Searching of the Logging Tool