edge defects meaning in Chinese

边缘缺陷，板边缺陷

Refractory products . measurement of dimensions and external defects of refractory bricks . part 2 : corner and edge defects and other surface imperfections
耐火材料制品.耐火砖的尺寸测量和外部缺陷.第2部分:角边缺陷和其它表面缺陷
Methods of testing refractory materials - general and textural properties - measurement of dimensions and external defects of refractory bricks - corner and edge defects and other surface imperfections
耐火材料试验方法.第3部分:总则和结构特性.耐火砖外形缺陷和尺寸测量.第13节:耐火砖边角缺陷和其它表面缺陷的测量