单词 | 拼拢 |
释义 | 〔lewis〕A dovetailed iron tenon made of several parts and designed to fit into a dovetail mortise in a large stone so that it can be lifted by a hoisting apparatus. Also called lewisson 起重爪,吊楔:燕尾形铁榫,由几部分构成,可以拼拢嵌进一块巨石上的燕尾形榫眼,由此可通过一个起吊装置举起大石 也作 lewisson |
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