tape leader meaning in English

磁带带头
带首部
引带

Audio visual , video and television equipment and systems - video tape leader and trailer for education and training applications
视听视频及电视设备和系统教育和训练用录像磁带的引带和尾带
Audiovisual , video and television equipment and systems ; part 21 : video tape leader and trailer for education and training applications
视听视频和电视设备及系统.第21部分:教育和培训用录相磁带片头和片尾
Audiovisual , video and television equipment and systems . part 21 : video tape leader and trailer for education and training applications
视听视频和电视设备及系统.第21部分:教育和培训用录相磁带片头和片尾
Specification for audiovisual , video and television equipment and systems - video tape leader and trailer for education and training applications
视听录像及电视设备和装置的规范.教育及培训用录像带片头和片尾
Audiovisual video and television equipment and systems ; part 21 : video tape leader and trailer for education and training applications iec 60574 - 21 : 1992 ; german version en 60574 - 21 : 1993
视听视频和电视设备及系统.第21部分:教育培训用录