... turnout from curved track 曲线出岔道岔 theoretical point of frog 辙叉心轨理论尖端 actual point of frog 辙叉心轨尖端 ...
基于38个网页-相关网页
... theoretical point of frog 辙叉理论交叉点 Theoretical Point Of Frog 岔心理论交点 thermal (or steam) power station 火力发电所 ...
基于12个网页-相关网页
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