英德
有道
百度
谷歌
图片
维基
百科
外焊 [wài hàn]
outside weld(ing)
- 翅片管是在钢管外表面焊上螺旋型翅片，扩展外表面传热面积4～10倍，大幅提升管子的传热系数，达到高效快速传热的目的。
Finned tube is welded the finned helix pieces on the smooth tube, expanding 4~10 times of the heat transfer surface, highly elevated the heat-transfer coefficient of the tube to reach the purpose of rapid, efficient heat transferring. - 若在烧制前没有涂上或不均衡的特制油彩，除了漏水外，于是本人改装维滤水器外，请问若成为消焊气体的喷嘴过滤器，目的是避免回火；请问若有关技术是否可行得通？
If has not spread before the burn or imbalanced specially makes thegreasepaint, besides water leakage, thereupon myself reequip outsidethe Uygur water filter, asked if becomes disappears welds the gas thespray nozzle filter, the goal avoids the tempering; Asked if relatedtechnology whether can will do? - 此技术让焊炬保持一个固定的电弧长度，使管道外焊缝有一致的品质。
This technology maintains the torch at a constant stick-out distance, so you get uniform results around the circumference of the weld.
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