joist
noun [ C ] uk/dʒɔɪst/ us/dʒɔɪst/
搁栅;托梁
a long, thick piece of wood, metal, or concrete, used in buildings to support a floor or ceiling
| 单词 | joist |
| 释义 | joist noun [ C ] uk/dʒɔɪst/ us/dʒɔɪst/ 搁栅;托梁 a long, thick piece of wood, metal, or concrete, used in buildings to support a floor or ceiling |
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