1) backup line
备用管道
2) emergency pipe line
紧急备用管道<冶>
3) UPC Universal Plumbing Code
通用管道设备编码
4) standby channel
备用通道
1.
Application of standby channel for power communication in ice disaster;
电力通信备用通道在冰雪灾害中的应用
2.
Design and Application of System Standby Channel Based on SSL VPN
基于SSL VPN的系统备用通道设计与实现
5) reserve runway
备用跑道
1.
From purposes and clearance specifications of reserve runway, this paper points out the deficiencies in the airfield clearance regulations of reserve runway, and presents the composition of and the requirement for the reserve runway clearance area.
从备用跑道用途及其净空规定出发,指出现行备用跑道净空规定存在的问题,提出备用跑道净空区的组成和要求,并应用飞机起落航线理论,对应急起飞着陆及应急起飞备用跑道净空规格的来源进行了研究。
6) back up channel
通道备用
1.
This paper describes the importance of the back up channel in the optical fiber current differential protection of transmission lines.
阐述了输电线光纤纵联电流差动保护中增加备用通道的必要性 ,提出了光纤通道备用的几种方式 ,给出了输电线光纤纵差保护通道的手动切换和自动切换的几种方案。
补充资料：管道SCADA(见管道数据采集与监控系统)
管道SCADA(见管道数据采集与监控系统)
popeline supervisory control and data acquisition system
管道SCADA(PIPelinesuPervisory eontroland data aequisition system)与监控系统。见管道数据采集
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条