短語詞組短語replaceable boiler unit 可更換的鍋爐單元fault isolated replaceable unit 故障隔離的可更換單元ARU Active Replaceable Unit 有源可替換單元RU Replaceable Unit 可替換單元line replaceable unit 現(xiàn)場可更換單元;航線可更換件;線路可替換部件;線路可替換單元LRU Line Replaceable Unit 線路可替換單元;線路可替換部件;外場可更換件;在線替換部件test replaceable unit 測試更換單元shop replaceable unit 車間可更換單元;內(nèi)場可更換單元SRU Shop Replaceable Unit 車間可更換組件 返回 replaceable unit