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单词 tumbler-pin
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tumbler-pin
tumbler-pin n.
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society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > lock > part of lock > tumbler > projection on
stub1561
tumbler-pin1853
tusk1875
1853 A. Ure Dict. Arts (ed. 4) II. 251 The lock outside,..a, the plate; b, the cock; c, the tumbler-pin.
1881 W. W. Greener Gun & its Devel. 264 The tumbler-pin is first turned out, and by means of a wire punch inserted in the hole, the tumbler is knocked away from both hammers and lock-plate.
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更新时间:2025/1/3 14:51:52