prestressed hollow girder beam
prestressed hollow girder beam
预应力空心梁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Combined with the engineering practice discussion is made on the construction technology and the process for the centralized prefabrication of prefabricated prestressed hollow girder beam.
结合工程实例介绍了装配式预应力空心板梁的集中预制的施工组织及工艺流程。
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