用实测折射角71°的探头探测板厚为25mm的对接焊缝,荧光屏上最适当的声程测定范围是:()


用实测折射角71°的探头探测板厚为25mm的对接焊缝,荧光屏上最适当的声程测定范围是:()

A.100mm

B.125mm

C.150mm

D.200mm

正确答案:D


Tag:钢结构焊缝质量检测 折射角 荧光屏 时间:2023-04-14 21:39:07