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贴片直插MC74ACT138MR2 MC74ACT138MEL MC74ACT138ML2 4
贴片直插MC74ACT138ML1G,MC74ACT132ML1G,MC74ACT132MR2G,4
贴片直插MC74ACT139DR2 MC74ACT132MR2 MC74ACT138ML1 4
贴片直插MC74ACT139MELG,MC74ACT138MR2G,MC74ACT139DTR2,4