你也可以通过学习语法来学习英语 » You can also learn English by learning grammar 钻孔结构 » Borehole structure 课程质量高 » High quality courses ..
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According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
The structure and measuring principle of the full borehole conductance water-cut meter is briefly introduced.
对全井眼电导含水率计的结构和测量原理进行了简要介绍。
The reflected compressional waves of the full waveform acoustic logging can be used to evaluate fractures with high dips and image the near borehole geological structure.
声波全波列测井中的反射纵波可以用来评价高角度裂缝和对井周附近地质结构进行成像。
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