词汇	trunk switch
释义	trunk switch 长途电路接线器
随便看	historic context historic contribution historic contributions historic cost historic-cost historic cost accounting historic-costs historic course historic crossroads historic cuiture historic cultural cities historic cultural city historic cultural community historic-cul-tural environment historic cultural heritage historic cultural landscape Historic culturally well-known cities historic cultural resource historic cultural towns historic cultural towns and villages historic culture historic culture areas historic culture famous city historic culture street historic custom