短語詞組短語block k multiplexing 塊多路轉(zhuǎn)換block multiplexing type system 塊多任務(wù)型系統(tǒng)primary block multiplexing 分接複用block multiplexing control bit 信息組多路控制位block multiplexing -type system 字組多路複用型系統(tǒng) 返回 block multiplexing