The paper proposes a view of high-speed and compaction in favor of cutting comminution through researching theory of grain part.
通过对颗粒断裂理论的研究，提出了高速压紧条件下有利于物料粉碎的设计概念。
The studies on the properties of oscillatory compactor, compaction theory, compaction techniques and the properties of materials are necessary.
对振荡压实设备的研究也离不开对压实机械性能、压实理论、压实工艺及材料特性的研究。
Asphalt mixture on the scene compaction the analysis of nonlinear temperature field theory, and effective compaction time was calculated in accordance with the laws of the decreasing temperature.
对沥青混合料现场压实进行了非线性温度场的理论分析，并根据温度降规律进行了有效碾压时间计算。
In this paper research results are reviewed on compaction effect of jacked pile, specially on in-situ and laboratory experiments, the theory of cavity expansion and finite element method.
本文对压桩挤土效应方面的研究成果进行了综述，重点讨论了室内和现场试验、圆孔扩张理论、有限元计算的研究概况。
The vibrating compaction performance of gravel soils is summed up at last. All of these results have important significance both to theory study and to engineering practice.
系统地研究了碎石土振动压实特性，研究结果具有重要的理论研究意义和工程指导作用。
Sleeve compensator can meet the sealing requirements of any pipelines because it adopts the theory of high performance self-compaction dynamic sealing.
套筒补偿器采用高性能自压式动密封原理，能适应任何管道的密封要求。
Sleeve compensator can meet the sealing requirements of any pipelines because it adopts the theory of high performance self-compaction dynamic sealing.
套筒补偿器采用高性能自压式动密封原理，能适应任何管道的密封要求。
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