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圬拱式支撑
meaning in English
plain arch timbering
Related Words
圬
脏圬
圬工桥
圬工材料
灌浆圬工
桥墩圬工
圬工护岸
圬工砖
圬工墩
圬工拱
圬工穹窿
圬工穹隆
圬石工工具
圬石工结构
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