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2 Normative References
The following referenced documents are indispensable for the application of this document.For dated references，only the edition cited applies.For undated references，the latest edition of the referenced document（including any amendments）applies.
DL/T 5010 Code for Engineering Geophysical Exploration of Hydropower and Water Resources
DL/T 5150 Test Code for Hydraulic Concrete
DL/T 5151 Test Code for Aggregates of Hydraulic Concrete