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lock washer /ləʊkˈeɪʃən ɒvðə ˈstatʃuː/ n

中文：弹簧垫圈

中文 · 弹簧垫圈Español · arandela de presiónFrançais · rondelle à ressort
Meaning：Slightly spiral-shaped washer, which acts as a spring to prevent screws from loosening.
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Washers

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