名词解释
指道岔主线中心线与道岔侧线的直线中心线廷伸的交点。
道岔导曲线 lead curve of turnout
名词解释道岔导曲线 lead curve of turnout
道岔侧线 siding of turnout
名词解释道岔侧线 siding of turnout
道岔主线 main line of turnout
名词解释道岔主线 main line of turnout
