CONTINUOUS FORMING WELDED PIPE PRODUCTION PROCESS FLOW CHART
连续成型焊管生产工艺流程图
连续成型焊管生产线和产品实例
SINGLE FORMED WELDED PIPE PRODUCTION PROCESS FLOW CHART
单支成型焊管生产工艺流程图
单支成型焊管生产机组和产品实例
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