A study on the experimental of modified treatment on the expansive soil for expressway bed 高速公路路基膨胀土改性处理的实验研究
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Abstract : a new process of modified treatment of diesel engine link was investigatea in this paper . it made the link get adaptable microstructure and hardness without microcrack 文摘:提出了一套柴油机连杆调质处理的新工艺,使连杆在没有显微裂纹的情况下得到合适的显微组织和硬度。