| 摘要 |
Two or more superposed plates and a thin plate are resistance-welded by: placing, on the two or more superposed plates, the thin plate whose thickness is less than each of the two or more superposed plates; placing a welding auxiliary member on the thin plate; making one of a pair of electrodes abut on the welding auxiliary member, and making the other of electrodes abut on a bottom surface of a lowest plate of the two or more superposed plates; and resistance-welding the two or more superposed plates and the thin plate to one another by the pair of electrodes.
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