短語詞組短語railway y crossing 鐵路平交道a railway -crossing 鐵路交叉點(diǎn)railway grade crossing guard post 鐵路道口標(biāo)柱safety of railway level crossing 鐵路道口安全highway -railway grade crossing [交]公路鐵路平交叉railway crossing sign 鐵路道口標(biāo)志mining area railway crossing 礦區(qū)鐵路道口Railway Crossing Controller 踏切番railway crossing bar 鐵路公路交叉口攔路桿 返回 railway crossing