1) down draft
向下通风
2) downward
向下
3) vertical-down
立向下
1.
This article analyses in detail the essential technological characteristics of vertical-down electrodes of J421 type.
分析了 CJ4 2 1立向下电焊条的主要工艺特点 ,对 CJ4 2 1立向下焊条药皮的熔化温度区间进行了测定 ,对焊条的熔敷金属力学性能进行了检测 。
2.
This article analyses in detail the essentical metallurgical characteristics of vertical-down electrodes of Titanium-Calcium type.
本文分析了钛钙型立向下电焊条的主要冶金特点。
4) Axisal movement
轴向下滑
5) vertical down welding
立向下焊
1.
Using high titanium oxide slag system which possesses short slag feature, a high titania type electrode E6013 used for all position and vertical down welding was developed by many tests.
通过大量试验 ,研制出全位置带立向下焊的高钛型药皮的E6 0 13焊条 ,采用了具有典型短渣特性的高氧化钛渣系 ,该焊条具有优异的焊接工艺性能 ,全位置及立向下焊操作性能优良。
6) vertical down welding
向下焊
1.
Based on a simulation test, the welding technique of steel plate (Q235A ? δ =2mm ) using the electrode E4316 in vertical down welding was discussed.
通过模拟试验 ,对选用E4316 (J42 6 )焊条和采用向下焊工艺焊接δ2mm的Q2 35A钢板技术进行了详细的探讨 ,发现该工艺可以用于无强度要求的薄板结构的焊接 ,并首次成功地应用于撬装式工艺房壳的焊接生
2.
In this paper, the improvement of vertical down welding in piping is introduced and the technology of mixed vertical downwards welding and co - operated vertical down welding are described .
介绍了手工向下焊焊接工艺在长输管道焊接方面的发展,主要叙述了混合型向下焊焊接工艺和复合型向下焊焊接工艺的应用。
参考词条
补充资料：阿斯曼通风干湿表(见通风干湿表)
阿斯曼通风干湿表(见通风干湿表)
AS iman tongfeng ganshibiao阿斯曼通风干湿表见通风干湿表。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。