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
映像备份还原管理 Easy Image
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 ; [动] protonephridium ; archinephric duct ; [动] pronephric duct
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.
结论及时有效控制感染，尽量避免过敏原，防止一切诱发哮喘的因素，是防止支管哮喘发生的关键环节。
Conclusion the effective control infection, avoid of allergen and prevention of asthma induced factors might be the key point of prevention of asthma happening.
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.
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