试验研究为水库放空洞封堵钢闷头锚固螺栓的爆炸切割提供了重要技术支持。
The results would provide an important technical support for explosive cutting anchoring bolts of steel bulkhead in dewatering tunnels of reservoirs.
试验研究为水库放空洞封堵钢闷头锚固螺栓的爆炸切割提供了重要技术支持。
The results would provide an important technical support for explosive cutting anchoring bolts of steel bulkhead in dewatering tunnels of reservoirs.
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