trunk link frame中继线: junction line; relay line; t ...键架: keyframe; key shelf出中继机键架: outgoing switch frame中继线: junction line; relay line; trunk line◇中继线控制 trunk control; 中继线网 junction line network中继线中继: tr trunk relay下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:中继线键架，即可在微信中查询翻译
