短语词组短語Back corner panel 後圍角板back control panel 對講系統控制板back outer panel 背門外板Back block panel 背封板Back side panel 後側板back of panel mounting 在麪板後麪的裝配back -panel wiring 板後接線Back -Panel Features and Indicators 背麪板部件和指示燈 返回 back panel