腾中重工总裁杨义将悍马描述成“冒险、自由和活力的同义词”。
Tengzhong's chief executive, Yang, Yi, described Hummer as a name "synonymous with adventure, freedom and exhilaration".
自然伽马测井是套管井测井中一种最基本的方法。它以地层自然放射性为基础，测井时用伽马射线探测器沿井眼进行测量。地层中的自然伽马放射性不是一成不变的。
Natural gamma logging is a kind of most basic methods of well logging in cased Wells which measure with gamma ray detector along well during logging.
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