密度测井仪 meaning in Chinese

density logger
density tool

The density logger consists of a radiation source .
密度测井仪包括辐射源。
Technology procedure for compensated density logging tool maintenance
补偿密度测井仪维修技术规范
The calibration method for density tool
密度测井仪校准方法
General technical condition of borehole density logging instrument for mining
矿用密度测井仪.通用技术条件
Compensation density logger
补偿密度测井仪

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