The Ni P/M steel are mixtures of soft phase and hard phase, hence improving the mechanical properties by reducing the susceptibility of breach.
含镍粉末钢是硬质相与软质相的非均质混合物，可减低粉末钢对缺口的敏感性，改善力学性能。
The different asphalt content mixtures are shaped at different compaction temperature, the relationship of compaction temperature to physical-mechanical parameters is researched in the paper.
对不同沥青含量的沥青混合料在不同击实温度下击实成型，研究击实温度与混合料各物理力学参数之间的相关关系。
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