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the magnetic carrier archives
磁性载体档案
国家机关、企事业单位在各项职能活动和社会重要公务活动中直接形成的具有保存价值的磁性载体文件。
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steel reinforced concrete composite beam
steel reinforced concrete composite column
steel rope for mine
Steel Sabre Inscribed with CharactersSa Lian from Cangshan
Steels Arrowheads of Cast Iron Decarburized in Solid State from Han Dynasty Tomb at Mancheng
steel ship
steel slag
steel sleeve extrusion machine
steel sticking on gun
steel strip
steel structural member
steel structure
steel structure assembling
steel structure installation
steel structure painting
steel structure staggered truss framing structure system
steel support
steel target testing
steel tension bar
steel thread forming machine
steel track beam
steel truss
steel tube
steel wire
steel wire rope construction elevator
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/9/28 4:25:18