pipelinen.管道;管线;渠道v.用管道运输
pipelines leak管道泄漏
pipeline erode管道腐蚀
pipeline joint管线接口
pipeline girth管线曲线周长
pipeline surge管道压力波动
pipeline rider管线警卫
pipeline cycle流水线周期
pipeline rohot管道机器人
pipeline gauge管道流速计
pipeline jetty管道堤