bridge weld seam
... bridge watchkeeping 驾驶室值班 bridge weld seam 盖板焊缝 bridge wing console 翼桥操纵台 ...
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带盖板焊缝 cup weld
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试验结果表明，无中梁罐车存在枕梁腹板与牵引梁立焊缝裂纹及枕梁腹板与枕梁上盖板之间的裂纹。
The result shows some cracks appearing on vertical weld connecting web plate of body bolster and draft sill as well as the part between web plate of body bolster and top cover plate.
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