| 单词 |
cremone bolt |
| 释义 |
cremone bolt cremone bolt[krə′mōn ‚bōlt] (design engineering) A fastening for double doors or casement windows; employs vertical rods that move up and down to engage the top and bottom of the frame. cremone bolt, cremorne boltA type of hardware for locking French windows or the like; a rotating handle actuates sliding rods which move in opposite directions, extending from the edges of the window into sockets that are fixed in the frame. |
| 随便看 |
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