... bead 焊道；球，珠；卷边；绝缘珠，磁珠，焊蚕，焊珠；小珠 bead crack 焊道裂纹 beaded insulation 串联绝缘，垫圈绝缘 ...
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The transverse crack in surfacing layer, porosity in bead edge and non-fusion between layers are the defects that are liable to produce when multi-layer surfacing is used.
多层堆焊时，易产生堆焊层横向裂纹、焊道边缘气孔及层间结合不良等堆焊缺陷。
The transverse crack in surfacing layer, porosity in bead edge and non fusion between layers are the defects that are liable to produce when multi layer surfacing is used.
堆焊层横向裂纹、焊道边缘气孔及层间未熔合是多层堆焊时易产生的缺陷。
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