double internal link双: two; twin; both; dual路线: route; itinerary; way; tail; ...连接: connect; fit together; link; ...路: road; way; path连接路线: linking route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:双路线境内连接路，即可在微信中查询翻译
