短語詞組短語Tributary Unit -n 支路單元tributary unit payload processor 支路單元淨負荷処理器Tributary Unit Pointer 支路單元指針Tributary Unit TU 支路單元Tributary Unit Payload Process 支路淨荷処理tributary unit grou 輔助單元組;從屬單元組tributary unit group 支路單元組;支路單元群;和支路單元組tu tributary unit 支路單元;附屬單元tug tributary unit group 附屬單元組;支路單元組 返回 tributary unit