短語詞組短語Open Business Operation Support System OB 營帳系統(tǒng)IT Business Operation Support System IT 業(yè)務(wù)運營支撐體系Integrated Business Operation Support System 綜合性業(yè)務(wù)運營支撐系統(tǒng)Telecom Business Operation Support System 電信業(yè)務(wù)運營支撐系統(tǒng)Digital TV -Business Operation Support System 數(shù)字電視運營支撐 返回 business operation support system