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1.If relief valve discharge due to a failure of the backflow preventer second check valve is a concern, a second Flood Protection - Shutdown Valve should be located immediately downstream of the backflow prevention assembly.
如果认为防回流阀的第二止回阀的故障导致安全阀排放现象应该得到处理，则应该在防回流阀总成下游立即安置第二堵漏-关闭阀。收藏指正
2.Live Line Work Mode and Safe Protection for Distribution Line
配电线路带电作业方式及安全防护收藏指正
3.EHV LINE FAST PROTECTION RELAY LFP-901
LFP—901型超高压线路成套快速保护装置收藏指正
4.Study on Optical Cable Line Protection Techniques
光缆线路的防护技术研究不可忽视收藏指正
5.Safety Protection for Live Working on Transmission Line
输电线路带电作业的安全防护收藏指正
6.After installation of valve, support line; a sagging pipe line can distort valve and cause failure.
安装阀门后，要支撑住管道：下垂的管道会使阀门产生变形而导致失败。收藏指正
7.Development of a novel UHV transmission line protection system
新型超高压输电线路保护方案的研究收藏指正
8.Controlled closing of the valve, opens the mainline check valve, gradually increasing line pressure.
阀门受到控制的关闭操作，开启主管线止回阀，逐渐增加管线压力。收藏指正
9.After installation of valve, support the pipe line; a sagging pipe line can distort the valve and cause failure.
在安装阀门后，要对管道加上支撑物，否则下垂的管道可能会使得阀门变形并造成故障。收藏指正
10.Study on Transient Voltage Protection Principles for EHV Transmission Line
超高压输电线路暂态电压保护原理的研究收藏指正
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