voided
美英
- adj.空的;成无用的;空虚的;【纹章】中空的
- v.“void”的过去分词和过去式
- 网络无效的;重逢;无效订单

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Simply Talking about Quality Surveying Essentials for Precasting of Voided Slab Beam of Prestressed Concrete by Pretensioning Method
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