套管

• Effect of gypsum - salt bed on casing in sichuan area
  四川地区膏盐层对套管的影响分析
• Casing damage mechanism analysis in soft formations
  松软地层套管损坏机理分析
• Transformers . sleeves for immersed power transformers
  变压器.浸渍变压器套管
• Low - voltage stud - terminals ; bushing studs
  低压用螺栓接线柱.第2部分:套管螺栓
• Fabricated steel and stainless steel tapping sleeves
  结构钢和不锈钢开口套管
• High - voltage ceramic wall bushings technical specifi cations
  高压穿墙瓷套管技术条件
• High - voltage ceramic wall bushings - technical specifications
  高压穿墙瓷套管技术条件
• Protective sleeves against kinking for telecommunication cords
  电信软线用防扭折套管
• Flexible insulating sleeving - part 2 : methods of test
  绝缘软套管.第2部分:试验方法
• Gravel paching method for sand control in cased hole
  油井套管内砾石充填防砂工艺方法