英语词汇buttonholder怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	buttonholder
释义	buttonholder 简明释义 n.强留人谈话者网络释义短语 1 lockstitch button holder 锁眼机 2 straight end lockstitch button holder 平头锁钮机 3 lockstitch h button holder 锁眼机双语例句 1 When the hammer safety leaves the safety hammer holder, the switch button ejects, and the circuit is connected, so the sounder issues an alarming signal. 当安全锤离开安全锤座时，开关按钮弹起，电路连通，此时发声器发出报警信号。
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