underpinn

英 ['ʌndəpɪn] 美 ['ʌndəpɪn]

释义
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- v. 从下头支持
- 支撑.
- 援助.
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临近单词

underpin underpinned column underpinning piles underpinned structure underpinning structure underpinning in tunnel underpinning reinforcement underpin of moulding board underpinning slab technology underpinning to column foundation underpinning reinforcement system

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