基本解釋[機(jī)械工程]雙開(kāi)道岔詞組短語(yǔ)短語(yǔ)unsymmetrical double curve turnout 偏開(kāi)道岔;單式不對(duì)稱(chēng)道岔;不對(duì)稱(chēng)雙開(kāi)道岔symmetrical double curve turnout 雙開(kāi)道岔;單式對(duì)稱(chēng)道岔double curve turnout更多詞組專(zhuān)業(yè)釋義機(jī)械工程雙開(kāi)道岔