Applied GTAW and SMAW to weld Ammonia Saturator with emphasis on preweld treatment and controlling welding heat input, high welding quality and efficiency were reached.

在氨饱和器焊接中采用钨极氩弧焊与焊条电弧焊相结合的焊接方法，重视焊前清理和焊接线能量控制，既保证焊接质量又提高生产效率。

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The experiment has proven that it can perform quite well in the welding and bring a satisfactory result, being an economical new-type weld material with high efficiency.

实验证明，该焊条具有良好的工艺性能和焊接质量，是一种效率高、经济性好的新型焊接材料。

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The high frequency welded pipe production is the fastest and the most efficiency way to produce pipe, but it also produces varies kinds of weld defects.

高频焊接制管是最快和最有效的制管方法，但高频焊接制管会产生各种各样的焊接缺陷。

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