扩大头沉管灌注桩的扩张式桩尖.rar
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                    本路桥资料为:扩大头沉管灌注桩的扩张式桩尖TAG标签:灌注,扩张,头沉管,式桩尖The outspread type stake that enlarges a stake of heavy canal perfusion is pointed
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                本路桥资料为:扩大头沉管灌注桩的扩张式桩尖TAG标签:灌注,扩张,头沉管,式桩尖The outspread type stake that enlarges a stake of heavy canal perfusion is pointed
