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.
随便看	jeffreys jeffrey's amazing statistics program jeffreys, george, 1st baron jeffreys, harold jeffrey simbrow associates inc. jeffrey single-roll crusher jeffreys of wem, george jeffreys, 1st baron jeffrey's pine jeffreys-wentzel-kramers-brillouin jeffrey swing-hammer crusher jeffrey thomas hayden foundation jeffrey-traylor vibrating feeder jeffrey-traylor vibrating screen jeffries fan club jeffries, james j. jeffries point neighborhood association jeffries street learning center jeffries wyman jeff rowland design group jeff the brotherhood jeff @ the house jeff the killer jeff valent studios jeff walker design studio jeff wenzel

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。