主管道的英文

main pipe line

mainline

例句与用法

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Well , that one there comes directly from the main line on 1 25th
好的，那根直接通向125号大街的主管道
Model 07 - s should be installed at the fire sprinkler service connection to the main line
型号07 - s应该安装在连接到主管道的消防喷淋系统处。
Two or more smaller size valves can be piped in parallel ( when approved ) to serve a large supply pipe main
两个以上的小通径阀门可以以并联方式（经过批准）安装，以服务于较大口径的供应主管道。
Gaskets for gas supply - part 6 : gasket materials based on synthetic fibres , graphite or polytetrafluoroethylen for gas valves , gas appliances and gas mains
供气用密封垫.第6部分:气阀煤气设备和煤气主管道用
Being the main channel of diathesis education , multimedia teaching can made the teaching effect most exerted in the limited time
摘要多媒体教学是实现素质教育的主管道，多媒体教学能使课堂教学效果在有限时间得到最大发挥。