The copper- adding process and its effect on structure and properties of nodular iron was introduced.
本文介绍了铜在球铁中的加入工艺及其对组织和性能的影响。
The change of DC voltage in braking process and its effect on system and feedback energy are analyzed.
文章还分析了电机制动时能量的回馈和直流侧母线电压的变化,以及直流电压变化对系统的影响。
This paper describes the mechanical mold of the carborundum about its operational condition, process. the im - proved process and its effect.
介绍了碳化硅制品机械成型的操作条件、方法及改进过程和达到的效果。
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