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	wears yourself to a shadow wears you to a frazzle wear tables wear & tear wear the wear the britches wear the bull's feather wear the cap and bells wear the green willow wear the horns wear their fingers to the bone wear their heart on their sleeve wear their years well wear them down wear them out wear themselves to a frazzle wear themselves to a shadow wear them to a frazzle wear the pants wear the pants in the house wear the pants, to wear the trousers wear the willow wear thin wear through

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