英语词汇“wing rail”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	wing rail
释义	wing rail noun : either of the two outside rails of a railroad frog of which both are rigid in a rigid frog and one is hinged in a spring rail frog
随便看	service of an heir servicepeople serviceperson service pipe service plate service road services service side service speed service stamp service star service state service station service stripe service switch service tree service uniform service wall servicewoman servicing serviens servient serviette servigrous servile

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