The cause of casting defects of large aluminum low crankcase of 396 series large diesel engine is analyzed in brief and the new casting process and its Outlines are discussed in detail.
简要分析了396系列大功率高速柴油机下曲轴箱体铝铸件原铸造工艺引起铸件铸造缺陷的原因。
The petrol engine has, due to its throttled air intake, a large range of variation in exhaust mass flow compared to the Diesel engine.
由于进气口的限流，相比柴油发动机，汽油发动机的排气流量有大范围的变化。
In this paper, large alloy iron parts and low-alloy steel parts after surface heat treatment, used in the diesel engine, were tested and compared. By Leeb hardness sclerometer.
针对本厂生产的柴油机中合金铸铁和低合金钢表面热处理的大型零部件进行对比测试，扩大里氏硬度计在实践中的应用。
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