管路

• Before installing needs cleaning tube , remove filth
  安装前需清洗管路、除去污物。
• Methods of testing liquid line refrigerant driers
  液体管路制冷剂干燥器的试验方法
• Light gauge stainless steel tubes for ordinary piping
  普通管路用轻型不锈钢钢管
• Flushing lubrication oil ( fuel oil ) system of m / e
  主机滑油（燃油）管路投油清洗。
• Graphical symbols for piping systems - basic principles
  管路系统的图形符号基本原则
• Specification for identification of pipelines and services
  管路和使用维护标志规范
• General specification of aluminum alloy valve for pipe
  铝合金管路阀件通用规范
• The noise contzal for cabinet of combustion generating set
  管路噪声的降噪方案
• Graphical symbols of pipeline accessory systems in ships
  船舶管路附件图形符号
• All labeling shall withstand local weather
  所有管路能在所处环境下正常使用。