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locknut英英字典_locknut剑桥英语解释_locknut柯林斯英文解释_2020年的事情英文词典
2020年的事情英文词典

locknut

L 开头单词

柯林斯词典

    locknut /ˈlɒkˌnʌt/

  • 1. N a supplementary nut screwed down upon a primary nut to prevent it from shaking loose 防松螺母

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