pipework

• Railway transport equipment . pipework . fixing of non - metallic flexible pipes
  铁路运输设备.管路.非金属软管的安装
• Industrial pipework . steel fittings and plugs . socket welding fittings
  工业管道.钢制管接头和插塞.套管式焊接管接头
• Supply and installation of pumpsets and associated pipework public works category
  供应及装置抽水系统及相连的水管工程
• Specification for class ii arc welding of carbon steel pipework for carrying fluids
  输送流体用碳钢管道二级电弧焊规范
• Rigid metallic pipework
  硬金属制的喉管
• Seawater intake pipeworks
  海水进水渠管
• Summary and application of copper and copper alloy tubes for ships ' pipework systems
  船舶管道系统用铜及铜合金管摘要和应用
• Seawater intake pipework
  海水进水渠管
• Industrial pipework . suction pipe for atmospheric polluants . terms and definitions
  工业管道.大气污染物吸入管道.术语和定义