另外采用系列加载试验对焊缝、母材的性能进行了研究。
In addition, series load experiments were used to study properties of weld and base metal.
并根据实践经验和试验研究，对焊缝构造等问题，提出了新作法的设想。
It put forward some new ideas about detail of welded joints on basis of experience and tests.
文章综述了国内外有关螺旋焊缝管的断裂试验和研究工作的概况。
The article is a general review of the test and research work on fracture in relation to spiral welded pipes at home and abroad.
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