PDF(1352 KB)
PDF(1352 KB)
PDF(1352 KB)
一种新型超高强度钢铰孔表面酸浸蚀检查及其冶金特征
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Surface Temper Etch Inspection of Reaming Hole of a New High Strength Steel and It's Metallurgical Feature
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