English translation for "打底焊"

backing welding

Example Sentences:

	1.	Backing weld before making main wel back weld 打底焊道
	2.	When doing a grooving and hammer breaking experiment on a sample in the technology assess teal of fibrin root welding , find that fibrin backing weld will easily produce a special root incomplete fusion flaw 摘要在进行一次纤维素根焊的工艺评定试验的过程中，对取样进行刻槽锤断实验时，发现采用纤维素打底焊容易产生一种特殊的根部未熔合缺陷。
	3.	Abstract : after anticorrosion metal - power spray welding was carried out for prevention of corrosion , the matched anticorrosion electrode is used to make backing weld . the new process can replace the traditional process wi th internal repaired mouth 文摘:管道焊前对管端进行耐蚀金属粉末喷焊防腐，然后采用与之匹配的耐蚀焊条打底焊，从而取代焊后焊接区内补口防腐的传统施工工艺，达到了管道焊后可不再进行内补口防腐。

Similar Words：

"打灯笼" English translation, "打底" English translation, "打底不匀" English translation, "打底材料" English translation, "打底层" English translation, "打底焊道" English translation, "打底焊缝" English translation, "打底灰" English translation, "打底灰泥层" English translation, "打底混凝上" English translation