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单词	beep button
释义	beep button beep button A button on the collective control used to trim a helicopter turbine engine by increasing or decreasing the steady-state RPM.
随便看	uchiura uchkuduk uchkurgan uch-l1 uchl1 uchl2 uchm uchp uchquduq uchra uchrc uchre uchri uch/rnid uchs uchsc uch sharif ucht uchta uchts uchug uchum uchur uchv uci

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