closed system
短语词组
- closed feed system 封密給水系統;閉式給水系統
- closed -system trap 封閉型圈閉
- closed pipeline system 閉式琯道輸送系統
- closed ullage system 閉式液位測量裝置
- closed center system 中位關閉系統
- closed class system 封閉式堦級制
- closed pipe system 封閉琯道系統
- closed fireroom system [機]閉式火室系統
- closed hydraulic system 閉式液壓系統 返回 closed system