The features of electric resistance welded(ERW) carbon steel pipe are analyzed from the viewpoint of design code and material selection.
从设计规范与管材选用方面对电阻焊碳钢直缝钢管（ ERW）的特点进行了分析。
This system has been installed on electric resistance welded pipe production line which demands to decrease electric noise.
这个系统现已安装在了需要降低电气噪音的电阻焊管生产线上。
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