double pipe meaning in English
串心管
套双管的
Examples
- Specification for design of steel double pipe heat exchangers for petrochemical
石油化工钢制套管换热器设计规范 - Double pipe brine cooler
双重管卤水冷却器 - Double pipe hammering with inside pipe sampling technology and operation for placer drilling
砂钻的双管冲击内管取心工艺 - Automatic control pre - water ball equipment for cement industry - double pipe screw feeder
水泥工业用自动控制预加水成球装备双管螺旋喂料机 - Steel fittings for railway vehicles - pipe nipples , double pipe nipples , swadged nipples
有轨车辆用钢管配件.短管接头.双端短管接头.过渡接头