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机场沉陷修复

道版底部封填灌浆(Undersealing),以压力灌注聚胺酯树脂浆材,填补机场跑滑道混凝土铺面版下方因基础沉陷、侵蚀、淹水或收缩等因素造成的空洞,以避免道面混凝土版块持续惡化,抑制唧水冒浆。

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