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English definition of “substructure”

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substructure

noun [C] uk   /ˈsʌbˌstrʌk.tʃər/ us    /-tʃɚ/
a firm structure that supports something built on top of it: The explosion damaged the bridge, but the substructure remained intact.
Translations of “substructure”
in Chinese (Traditional) 下層結構, 下部建築…
in Chinese (Simplified) 下层结构, 下部建筑…
(Definition of substructure from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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