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crossing gate mechanism /ˈkɹɒsɪŋ ˈɡeɪt ˈmɛkənˌɪzəm/ n

中文：道口栏木机构

中文 · 道口栏木机构Español · mecanismo de la barreraFrançais · commande de barrières
Meaning：Box housing the mechanism that automatically lowers and raises the gate arm.
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Found in these illustrated scenes（1）

Highway-railroad crossing

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