先张法预应力管桩工艺标准.doc
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本工艺标准适用于有冲积层坡积层风化残积层地区的抗应力力管桩工程
This technology is applicable to alluvial slope sediments are weathered and residual stress of force against the region Pipe Pile
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本工艺标准适用于有冲积层坡积层风化残积层地区的抗应力力管桩工程
This technology is applicable to alluvial slope sediments are weathered and residual stress of force against the region Pipe Pile