pipeline pig[化] 清管器pipelinen.管道；管线；渠道v.用管道运输pipeline automatic blending管道自动调合Pipeline under Mother Earth地下输油管pipeline network management管网管理Pipeline network parameters管网参数pipeline network monitoring管网监控pipeline stress calculation管道应力计算pipeline geography position管道地理位置pipelined multistage switch流水线多级开关pipeline corrosion detection管道腐蚀检测pipeline hydraulic transient南水北调