GB/T 15711-2018钢中非金属夹杂物的检验塔形发纹酸浸法国家标准
英文:Inspection of non-metallic inclusions of steel—Etching test method of tower samples GB/T 15711-2018介绍: 国家标准《钢中非金属夹杂物的...
英文:Inspection of non-metallic inclusions of steel—Etching test method of tower samples GB/T 15711-2018介绍: 国家标准《钢中非金属夹杂物的...