tension weld
... temporary weld临时点固焊缝 tension weld受拉焊缝 test weld试焊 ...
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分层使钢材沿厚度方向受拉的性能大大恶化，并且有可能在焊缝收缩时出现层间撕裂。
Delamination make along the thickness direction of steel tensile performance deteriorated significantly, and are likely to occur when the interlayer tearing seam shrinkage.
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