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单词 key bolt
释义

> as lemmas

key bolt
key bolt n. Mechanics a bolt which is secured by a key or cotter, rather than by a thread and nut.
ΚΠ
?1740 P. Bouguer Relation Observ. Quito 34 The several parts were held together by screws and key-bolts.
1800 J. Williams tr. H. O. Scheel Treat. Artillery i. 35 The trunnion plates are grooved to receive the chin of the second bolt. The forward one is the key-bolt, preferable in this place to the skrew.
1840 Mechanics' Mag. 8 Feb. 330/1 The connexion between the strings, main and counter braces, may be effected by means of keybolts of suitable size.
2003 R. Rocco In Owl's Eye vi. 21 The easiest way to do this, he thought, would be to saw through the tongue from the bottom and at the point of the key bolt.
extracted from keyn.1adj.
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更新时间:2024/12/24 8:36:22