For the initially commissioned gas transmission pipeline ,foreign materials such as soil ,water and light oil will enter into pipe,which is hazardous to the operation of pipeline and some facilities.
For the initially commissioned gas transmission pipeline ,foreign materials such as soil ,water and light oil will enter into pipe,which is hazardous to the operation of pipeline and some facilities.
在天然气长输管道投产初期，因各种原因会产生一些威胁管道安全运行的问题，如管内存在泥土、水、轻质油等有害物质，若不及时清除，将会堵塞管道及相关设备。