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释义
society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > lock > part of lock > tumbler > projection on (3)
stub1561

Mechanics. A stud or projection; spec. in a lock, a stationary stud which acts as a detent for the tumblers when their slots are in engagement…

tumbler-pin1853

tusk1875

A projecting part or object resembling the tusk of an animal. In a lock, ‘A sharp projecting point or claw which forms a means of engagement or…

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更新时间:2024/12/23 23:57:33