Elisha Graves Otis
/ˈəʊtɪs
/ (1811–61), American inventor and manufacturer. He produced the first efficient elevator with a safety device in 1852.
| 单词 | Otis, Elisha Graves |
| 释义 | Elisha Graves Otis/ˈəʊtɪs/ (1811–61), American inventor and manufacturer. He produced the first efficient elevator with a safety device in 1852. |
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