英语词汇“signal sash fastener”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	signal sash fastener
释义	signal sash fastener signal sash fastener A fastening device for a sash; used to lock a double-hung window which is beyond reach of the floor; the fastener (which is operated by a long pole) has a ring on a lever which is in the “up” position when the window is unlocked.
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