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maintenance inflict identification unemployment intensify decay idiom outbreak idleness beam overwhelming shipwreck graphite thrifty preset misfortune untie compression immortal weary roam transplant impartial vocal

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1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值；临界值

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