highway grade separationhighway over crossinghighway overpasshighwaygradeseparationhighwayovercrossing公路: highway立体交叉: grade separation; overpass; ...多路立体交叉: multileg interchange分路立体交叉: highway over crossing三路立体交叉: leg interchange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:公路立体交叉，即可在微信中查询翻译
