单词	limit switch
释义	limit switch noun : a switch that operates as an automatic control to prevent a mechanism or process from going beyond a prescribed limit Word History First Known Use 1886, in the meaning defined above
随便看	achoo achor achordal Achordata achordate Achorutes achras achrases achrasses Achray, Loch achres achrestic anemia achro- Achrochordidae achrodextrin achroite achromasiae achromasias achromat Achromatiaceae achromatic achromatic lens achromatic prism achromatically achromaticities

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