a wire/b wire trunk out实线: active line; full line; full ...出: used as a complement中继: relay; repeating; relaying; ...出中继: outward trunk出中继电路: outgoing trunk circuit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:实线出中继，即可在微信中查询翻译
