... unsymmetrical balance 不同错误称平衡 unsymmetrical double curve turnout 偏开道岔 unsymmetrical floating caisson 不同错误称浮式沉箱 ...
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...metrical double curve turnout ；equilateral turnout 单式不对称道岔；不对称双开道岔 unsymmetrical double curve turnout ；unequilateral turnout 单式同侧道岔 unsymmetrical double curve turnout in the same direction ..
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