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单词 panic bolt
释义

panic bolt


panic bolt

n (Building) a bolt on the inside esp of double doors that is released by pressure on a waist-high bar: used for emergency exits in theatres, shops, etc

panic bolt


panic exit device, fire-exit bolt, panic bolt, panic hardware

panic exit device A door locking device used on exit doors; the door latch releases when a bar, across the inside of the door, is pushed.
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更新时间:2025/3/4 9:21:24