“极度危害介质”“焊后整体热处理”如何翻译? extreme hazardous medium 极度危害介质 输送极度危害介质的压力管道设计要点 design points of pressure pipe for transferring extreme hazardous medium post weld heat treatment 焊后热处理 vendor to provide detailed plan for post weld heat treament. 20% of he type a and b welded joint ( welded seams)of the equipment ( should口语用,图纸一般不用) to be x-ray detected to jb/t4730-2005 level iii。 设备a、b类焊接接头需进行≥20%的x射线检测,jb/t4730-2005ⅲ级合格.查看更多