logging well instrument

• 测井仪

logging well instrument的用法和样例：

例句

1. This paper analyzes the cause that leads to abnormal phenomenon occurring outside casing during logging with the nature gamma rav tool and presents reliable solutions to it.
   分析了自然伽马测井仪在套后井测量中出现的异常现象的原因并提出了可靠的解决方法。