1) up-hood
上部烟罩
2) Upper leaves
上部烟叶
1.
Effects of different picking methods on chemical composition and content of volatile aromatic matter of upper leaves in flue-cured tobacco were studied.
研究了不同采收方式对烤烟上部烟叶化学成分和主要挥发性香气物质含量的影响。
3) upper leaf
上部烟叶
1.
A Study of Chemical Control Technique for the Improvement on Usability of the Upper Leaf in Flue-Cured Tobacco;
提高上部烟叶可用性的化控技术研究
2.
The effects of planting rate on the length,width and thickness of Yunyan 87 upper leaf,a breed of flue-cured tobacco,were studied.
研究了种植密度对云烟87上部烟叶长度、宽度、厚度的影响,探讨了种植密度与上部烟叶烟碱含量及糖碱比值的关系,并比较分析了不同种植密度下云烟87的上等烟百分率与产值。
3.
The effects of leaf spraying with aqueous solution of Gibberellic Acid (GA_3) in different concentration on the length, width and thickness of upper leaf of new K326, a flue-cured tobacco breed, were studied.
研究了植物生长调节剂赤霉酸(GA3)水溶液叶面喷施对烤烟品种新K326上部烟叶长度、宽度及厚度的影响,并探讨了外源GA3喷施浓度与上部烟叶烟碱含量及糖碱比值间的关系、GA3喷施浓度与烟叶等级结构和产值间的关系。
4) The river is enveloped in mist.
河上烟笼雾罩。
5) top open cage
上部开口阀罩
6) hood
[英][hʊd] [美][hud]
烟罩
1.
This paper describes work carried out on the design of a new converter hood with particular reference to the thermal analysis and hood performance aspects.
本文阐述了有关新烟罩的设计尤其是热力分析和烟罩性能方面所做的工作。
2.
The design and improvement situation are summarized on contact clamp, electrode holder, low hood structure, furnace charging system and great current system.
概述了铁合金电炉钢瓦、电极把持器、矮烟罩结构、电炉加料系统及大电流系统的设计和改造情况。
补充资料：带有双层烟罩的铜锍吹炼转炉
带有双层烟罩的铜锍吹炼转炉
赞 带有双层烟翠的铜硫吹炼转炉
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条