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Anchorage quality
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- 锚固质量 (3)
- 锚杆 (3)
- 无损检测 (2)
- anchor bar (1)
- anchorage quality (1)
- anchoring quality (1)
- bolt (1)
- bp neural network (1)
- discretization (1)
- non-destructive (1)
- nondestructive detect (1)
- rock bolt (1)
- sonic-frequency stress wave (1)
- stress wave (1)
- stress wave reflection method (1)
- the quality of rock bolt system (1)
- trainscg (1)
- 声频应力波 (1)
- 应力波 (1)
- 应力波反射法 (1)
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