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单词	safety switch
释义	Safety switch See Switch. (Railways) a form of switch contrived to prevent or lessen the danger of derailment of trains. See also: Safety chain, Switch safety switch safety switch safety switch A switch used in interior electric wiring which is mounted inside a metal box and operated from outside the housing by means of a handle connected to the switch mechanism.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。