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单词
dumb sheave
释义
WordReference Random House Unabridged Dictionary of American English © 2024
dumb
′
sheave
′
,
[
Naut.
]
Nautical, Naval Terms
a block having no sheave or other part rolling with the movement of a line.
Nautical, Naval Terms
a groove in a spar or other timber, through which a rope can slide.
1855–60
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更新时间:2025/12/9 20:53:12