Warning: file_put_contents(): Only 0 of 5499 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 master intercom station是什么意思，master intercom station的翻译，master intercom station音标、读音、用法和例句_伍贰汉英词典
The system will consist of a master central station, intercom equipment, loudspeakers and all interconnecting cables. 系統將由縂站、對講系統、敭聲器和所有內連電纜組成。 bbs.chinadaily.com.cn