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贴片直插MC74VHC138ML2G，MC74VHC138DTR2，MC74VHC138MELG，4
贴片直插MC74VHC138ML1G，MC74VHC132DTR2，MC74VHC132ML2G，4
贴片直插MC74VHC138DTEL，MC74VHC132ML1G，MC74VHC138DR2G，4
