第一點是通常的作法。2-3點不般不會用。如果線寬不夠，通常是不用阻焊層，就象樓主一樣，用焊錫厚度充數。

來源: coolwin 於 2013-11-13 21:48:07 [舊帖] [給我悄悄話] 本文已被閱讀：次

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