短語(yǔ)詞組短語(yǔ)curve of turnout lead curve 導(dǎo)曲線turnout curve behind frog 道岔隨附曲線double curve turnout 翻譯;雙開(kāi)道岔英語(yǔ);雙開(kāi)道岔unsymmetrical double curve turnout 偏開(kāi)道岔;單式不對(duì)稱道岔;不對(duì)稱雙開(kāi)道岔symmetrical double curve turnout 雙開(kāi)道岔;單式對(duì)稱道岔curve of turnout 導(dǎo)曲線Second curve of turnout 道岔附曲線curve following turnout branch line 道岔附帶曲線curve following turnout division line 道岔附帶曲線 返回 turnout curve