In this pump and export pipelinemaintenance, the system will not happen in the liquid back.
这样在检修泵及输出管道时，系统中的液体不会发生倒流。
2
With the rapid increase of the pipelinemaintenance and management in the workload, management and maintenance of company A emerges bottlenecks.
随着输油管道维修管理工作量的快速增加，A公司在维修管理工作中出现了瓶颈现象。
3
Pipeline leak detection location system is a typical device for pipelinemaintenance, which can efficiently reduce the resource waste and the environment pollution caused by pipeline leak.