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unbolt ['ʌn'bəult] v
gen. 拧〔旋,打〕开; 取下〔卸掉〕螺栓; 拉开…的栓〔闩〕; 松螺栓; 拔下插销
archit. 开启; 拔开门闩
auto. 动,名松开旋出,取出螺栓
tech. 松开; 打开; 旋开螺栓
unbolt: 1 phrase in 1 subject
Technology1