... 满槽 fulled bath 漏锡 tin leaking 保护气体 atmosphere ...
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The bonding pad of the circuit board is provided with the gap, the gap and the positioning hole are spaced by certain interval to avoid tin leaking.
在电路板的焊盘上开设缺口，该缺口与定位孔相距一定间隔，可避免出现漏锡。
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