According to the causes,the surface defects can be divided into blister containing non-metallic inclusion,blister without non-metallic inclusion and “raindrop”,“gills”，“mountained”.
不含有非金属夹杂
气囊表
；由气泡
“雨点”状表；“鱼鳞”状表；“山水画”状表。
,多山According to the causes,the surface defects can be divided into blister containing non-metallic inclusion,blister without non-metallic inclusion and “raindrop”,“gills”，“mountained”.
不含有非金属夹杂气囊表；由气泡“雨点”状表；“鱼鳞”状表；“山水画”状表。
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成，部分未经过人工审核，其表达内容亦不代表本软件观点；若发现问题，欢迎向我们指正。
