insulation

• Performance of surface insulation of electrical steel sheets
  电器用钢片的绝缘涂层
• Test methods for varnished fabrics for electrical insulation
  电气绝缘漆布试验方法
• Sound insulation in buildings ; requirements and testing
  建筑物隔音.要求和检验
• Thermal insulation - physical quantities and definitions
  热绝缘.物理量与定义
• Acoustics - acoustic insulation for pipes , valves and flanges
  声学.管阀和法兰隔声
• Test methods for shellac used for electrical insulation
  电绝缘虫胶漆试验方法
• Schemes of thermal insulation of piping for small ships
  小船管道系统绝热方案
• The high effictive technique of insulation monitoring
  高效的绝缘监测技术研究
• Varnishes used for electrical insulation - methods of test
  电气绝缘用清漆.试验方法
• High fireproof mineral insulation high - temperature wire
  高耐火矿物质绝缘耐高温电线