pack gravel中文是什么意思

• 充填砾石

• "pack"中文翻译     pack2 n. 1.包，捆；行李；驮子。 ...
• "gravel"中文翻译    n. 1.〔集合词〕砂砾，砾石。 2.【地质学；地理学】 ...
• "gravel pack" 中文翻译 :    砾石充填; 砾石过滤层; 填砾
• "gravel-pack gravel" 中文翻译 :    砾石充填用的砾石
• "concentric string gravel pack" 中文翻译 :    同心管柱砾石充填
• "consolidated gravel pack" 中文翻译 :    胶结砾石充填
• "dual gravel pack" 中文翻译 :    双层砾石充填
• "dump-type gravel pack" 中文翻译 :    倾倒式砾石充填
• "flow gravel pack" 中文翻译 :    循环法砾石充填
• "functional gravel pack" 中文翻译 :    有效的砾石充填
• "gravel pack clutch joint" 中文翻译 :    砾石充填离合短节
• "gravel pack completion" 中文翻译 :    砾石充填完井
• "gravel pack fluid" 中文翻译 :    砾石充填液
• "gravel pack interval" 中文翻译 :    砾石充填层段
• "gravel pack packer" 中文翻译 :    砾石充填封隔器
• "gravel pack perforated extension" 中文翻译 :    砾石充填带眼加长短节
• "gravel pack pot" 中文翻译 :    砾石罐
• "gravel pack sand" 中文翻译 :    砾石充填砂
• "gravel pack sliding sleeve" 中文翻译 :    砾石充填滑套
• "gravel pack straddle tool" 中文翻译 :    砾石充填对口皮碗工具
• "gravel-pack assembly" 中文翻译 :    砾石充填装置
• "gravel-pack logging tool" 中文翻译 :    砾石充填测井仪
• "hi-density gravel pack" 中文翻译 :    高密度砾石充填
• "holiday-free gravel pack" 中文翻译 :    无空穴的砾石充填
• "inside casing gravel pack" 中文翻译 :    管内砾石充填

• Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay , nylon net packing around well tube filters , designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc . we succeeded in constructing 3 drinking - water wells in minqin county , proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area
  通过孔径与管径的调配设计，增大环状粒料层和止水粘土层的厚度；滤水管外包尼龙纱网；粒料与止水粘土接触界面上设计反滤层；填粒后先行拉活塞利用水力夯实粒料层，再投粘土球止掉上部咸水等措施，在民勤县三口人饮水井施工中取得显著效果，证明了该套成井工艺的有效性和可行性，有望为同类地区人饮水井施工提供技术示范作用。