还原管 reduction tube
系统还原管理器 System Restore Explorer ; System Restore Manager
琼斯还原管 [化学] Jones Reductor ; Jones reducer
泛滥平原管理 floodplain management
草原管理 grassland management ; range management
原管藻属 Protosiphon Klebs
还原管理 Undo Management
自动还原管理 Automatic Undo Management
原肾管 nephridium
复原管理器 Recovery Manager
实验结果表明，这种改型辐射管的各项性能均优于原管，甚至优于引进的辐射管。
The results show that all the performance of the remodel radiant tubes is better than that of the original tubes and even than that of the import tubes.
通过对原高温硫磺汽化管失效原因的分析，提出了改进管子化学成分的方案，实践证明这一方案是有效的。
The improvement plan of the sulfur evaporating tube in chemical composition was proposed through the failure cause analysis of the old sulfur evaporating tube, the plan was efficient in practice.
实验结果显示球磨8小时后原碳纳米管的封闭端头被打开，并在纳米管壁上产生了扭曲变形的石墨层。
The results show that a part of closed ends of the tubes were broken and graphite layer of some nanotubes were tortured while ground for 8h.
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