超声波探伤仪0º探伤灵敏度标准下列说法错误的是( )
A.轨底波波高80%,再释放8,并能发现螺孔5mm水平裂纹,测轨腰Ф6横通孔呈有波有报警 B.轨底波波高30%,再释放8,并能发现螺孔5mm水平裂纹,测轨腰Ф6横通孔呈有波有报警 C.轨底波波高50%,再释放8,并能发现螺孔5mm水平裂纹,测轨腰Ф6横通孔呈有波有报警 D.轨底波波高80%,再释放8,并能发现螺孔10mm水平裂纹,测轨腰Ф6横通孔呈有波有报警 E.轨底波波高80%,再释放18,并能发现螺孔5mm水平裂纹,测轨腰Ф6横通孔呈有波有报警正确答案BCDE