短语词组短语squareness error 垂直度误差large squareness 大矩形比squareness tolerance 垂直度公差squareness gauge 垂直度测量器remanent squareness 剩磁比squareness ratio [电磁]矩形比;方形比;正方比例英语squareness measurement 垂直度测量squareness factor 矩形系数;矩形因数 返回 squareness