单词	space saver
释义	space saver短语¹³¹⁶²⁰⁺³计空白节省符
随便看	network video network video camera network video conference network video frequency conference network video monitor network video monitoring network video monitoring system network video monitor system Network Video Recorder Network Video Resources network video server network video servicer network video stream network video surveillance network video surveillance product Network Video Surveillance System network video system network video technique network video transmission network vidicon network violence network virtual assets Network Virtual Classroom network virtual data entry terminal network virtual experiment