管道覆盖层 meaning in Chinese

covering of piping
pipe covering

Floor heating , systems and components - part 200 : determination of the thermal output , pipe coverings larger than 0 , 065 m
地板供热.系统和元件.第200部分:管道覆盖层大于0 . 065
In order to offer more reliable basis for project practice of pipelines , it is very important to study the assessment of petroleum pitch coating failure
为了对管道检测的工程实践提供更为可靠的依据，管道覆盖层保护失效的评价研究十分重要。
This paper analyzes the performance of pipe coating , and based on the equations given in relative design codes and engineering manuals , the different program of sacrificial anode sets can be selected depending on different coatings and pipe diameters
摘要分析了管道覆盖层的性能，根据设计规范和工程手册中提供的计算公式，不同的防腐层，不同的管径，就有不同方案的牺牲阳极组可供选择。