预应力锚
- 网络prestressed anchor
 预应力锚
预应力锚预应力锚
prestressed anchor
prestressed concrete... ... precast prestressed beam 预制预应力梁 prestressed anchor 预应力锚 prestressed beam 预应力梁 ... 
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        Construction Technology for Consolidation of Road Channel Side Slopes by means of Pre-stressed Anchoring Cables and Concrete Frames
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