求翻译：本文通过对Q345材料的焊接接头处焊接性能的分析，找出了工程实际中频繁出现的废热锅炉焊缝处开裂失效的原因之一是由于没有制定恰当的焊接工艺，为工程实际问题的解决提供了一定参考价值。是什么意思？

In this paper, the welding properties of welded joints of Q345 materials analysis to identify one of the reasons that appear frequently in engineering practice waste heat boiler weld cracking failure is the absence of the development of appropriate welding process, the solution of practical engineer

Through this article to Q 345 materials of welded joints, welding performance analysis of the works in the real world appears frequently in the waste heat boiler weld cracking one of the causes for the failure is due to the lack of appropriate welding process for the project, and the solution of pra

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This article by Q345 analysis of material properties of welded joints of welded, find a project of practical appears frequently in waste heat boiler is one of the reasons for failure of the weld cracking due to the absence of appropriate welding process, as a practical solution to the problem of pro

One of reasons which this article through to the Q345 material weld joint place welding performance analysis, discovered which the project actual to appear the waste heat boiler welded joint place dehiscence expires is frequently because did not have the formulation appropriate welding craft, has pr