Therefore, the research of the fast manufacture technology method that develops the steel - based ramming mold is an important topic in the Material Forming and Process Engineering field.
因此，研究开发钢基冲压模具的快速制作技术方法是材料成型与加工领域的一个重要课题。
Construction procedures, process flow and quality control measures of ramming expended piles are briefly discussed by combining the practice of ramming expended pile construction.
结合夯扩桩施工过程中的实践，简述夯扩桩施工工艺、流程以及质量控制的一些措施。
Compacting effect is caused in forming process of ramming expanded piles.
夯扩桩在成桩过程中会产生挤土效应。
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