Ram extension pile is widely used in reinforcement work for construction foundation as a new type reinforcement pattern.
夯扩桩作为一种新型地基加固方式在我国建筑地基加固中得到了越来越广泛的应用。
Results (1) The spinal cord compression due to degeneration structure in flexion-extension was more significant than that in static position, it even had pile up effect.
结果（1）椎管内退变结构在颈椎伸屈活动时常形成较自然位更加严重的脊髓压迫征象，而且它们间还有“动态叠加作用”。
Results (1) The spinal cord compression due to degeneration structure in flexion-extension was more significant than that in static position, it even had pile up effect.
结果（1）椎管内退变结构在颈椎伸屈活动时常形成较自然位更加严重的脊髓压迫征象，而且它们间还有“动态叠加作用”。
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