Tabs welded to stringers for bulkhead attachment.

标签焊接特约的舱壁附件。

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A large number of these cracks occurred because the groove welded component was considered a secondary member or attachment.

发生这许多裂纹是因为把这些坡口焊接部件作为次要构件或附件考虑。

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A large number of these cracks occurred because the groove welded component was considered a secondary member or attachment.

发生这许多裂纹是因为把这些坡口焊接部件作为次要构件或附件考虑。

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