关闭: close; shut; shut off; paral ...信号: signal; semaphore; gun接收机: receiver; radio set; receivi ...信号接收机: signal receiver单信号接收机: single-signal receiver; single-signal recever地基信号接收机: surface-based receiver电视信号接收机: tv-signal receiver定向信号接收机: directional receiver高空信号接收机: space-based receiver双频制信号接收机: two-frequency signal receiver图像信号接收机: video receiver图象信号接收机: video receiver自毁信号接收机: destruct receiver图像信号接收机 电视接收机: picturereceiver关闭信号: hold out signal; shutdown signal; shutoff signal关闭信号管: close signal tube黑白电视信号接收机: monochrome receiver威胁警告信号接收机: threat warning receiver无线电控制信号接收机: radio control receiver引导电缆信号接收机: leader cable receiver自动报警信号接收机: auto distress signal apparatus; autodistress signal apparatus错误关闭信号: false stopping of a signal机场关闭信号: closed-field signal正常关闭信号: normal closed signal; normal danger signal负信号接收: negative reception