短語(yǔ)詞組短語(yǔ)LSSU Link Status Signal Unit 鏈路狀態(tài)信令單元LSSU -Link Status Signal Unit 鏈路狀態(tài)信號(hào)單元Link Status Signal Unit -LSSU 鏈路狀態(tài)信號(hào)單元 返回 link status signal unit