• 1. NLL: 北方界线 | 北方界限 | 西海北方界限
• 2. NLL NY NLD: 耐张线夹
• 3. Type NLL: 螺栓型铝合金耐张线夹

更多释义

• 1.Spectrum logging is an important method of dynamic monitoring in oil-field development, which used widely in oil-field such as high-precision C/O spectrum and NLL etc.
  介绍了高精度碳氧比、 中子寿命等能谱测井技术在油田开发中的应用。
  dict.yoduao.com
• 2.This paper deals with the mechanism of bypass channel and mainly discusses the theory, technics and interpretation method of using neutron Lifetime Log(NLL)to evaluate channeling.
  文中分析了管外窜槽的形成机理，重点介绍了注硼中子寿命测井技术用于管外窜槽监测的原理、工艺及解释方法。
  dict.yoduao.com

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