结果表明，在表面焊道下面并且离开焊缝中心线若干距离的地方，出现相当高的三向拉伸应力和大的塑性应变积累。
The results show that the triaxial residual stresses and plastic strains can accumulate to relatively high values just below the surface and at a short distance away from the weld area.
密封焊道应焊成现填角焊缝厚度的一半。
Seal welds shall be welded with half the thickness of the carrying fillet weld.
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