日本三丰内径表标准规的详细资料： 性能参数测量范围货号检测长度300mm515-58525,50,75,100,125,150,175,200,225,250,275,300mm600mm515-58625,50,75,100,125,150,175,200,225,250,275,300,325,350,375,400,425,450,475,500,525,550,575,600mm