frad frame relay access deviceframe relay access device中继: relay; repeating; relaying; ...访问: visit; call on; interview; a ...设备: equipment; device; facility; ...帧中继访问设备，帧中继接入设备: frame relay access device (frad)帧中继访问设备，帧中继接入装置: frad frame relay access device下载手机词典可随时随地查词查翻译
