Shanxi Province--Non-destructive testing of grouting density of bridge prestressed tunnels (DB14/T 1109-2015)
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山西质监局-桥梁预应力孔道注浆密实性无损检测技术规程1536985685021
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Shanxi Province--Non-destructive testing of grouting density of bridge prestressed tunnels (DB14/T 1109-2015)
Hebei Province--Technical Specification for Dense Grouting Quality Inspection of Bridge Prestressed Holes (DB13/T 2480—2017)
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