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软地层_英汉词典

大家在查：水平井间接识别地震反射负阻抗速度结构试气空吸作用印度石油公团加拿大地质调查局

软地层

网络soft formation

软地层

软地层

软地层

soft formation

钻井中的键槽是指什么_教育问答 ... 184.soda 苏打 185.soft formation 软地层 186.solid content 固相含量 ...

3

Characteristics of Wave Form of Sonic Logging in Soft Formation

软地层中声波测井的波形特征

4

Directional Drilling Technology for Large Borehole in Surface Soft Formation

表层大井眼软地层定向技术

5

Research on long distance fully mechanized top coal caving mining face in typical "three soft " seam

极典型 “三软 ”地层下长距离综放工作面回采设计研究

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Probing into the Supporting Technology of Roadways in the "Three - softs " Strata of Longkou Coal Mining Area

龙口矿区 “三软 ”地层巷道支护技术探索

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Practice and thoughts on light support coal caving under "three sort " floor seam

“三软 ”地层轻型支架放顶煤实践与认识

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Ideal for soft formation drilling ; drilling ;

适用于软地层钻采工具；

9

Soft formation with sticky layer

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