端头扩大
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plain end reamed 平端面开孔的
The ground anchoring technology with the reamed end on bottom, which ACTS as a effective method to increase the load - carrying capacity of ground anchor, is drawn more and more attention.
锚固力是土锚重要的工作特性指标，端头扩大型土层锚杆技术作为提高锚固力的一种有效手段越来越得到人们的重视。
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