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在锅炉、石油化工管道中有许多三通管接头。为保证三通管接头的强度与加工工效,对三通管接头应选择合理的坡口型式并采用数控专机加工相贯线坡口并施焊。1 三通管相贯件的坡口型式
There are many three-way fittings in boilers, petrochemical pipelines. In order to ensure the strength and processing efficiency of the tee fitting, the tee fitting should be of a reasonable choice of bevelling type and be machined by a CNC special machine to process the intersecting bevel and apply welding. 1 tee pipe cross-section of the groove type