These defects can be reduced or elimination by adjusting proportion of the raw material charge or adopting other casting technologies and heat treatment.
但也存在着铸件增碳、夹渣等新问题，需要从调整炉料配比，以及采用其他铸造和热处理的工艺措施来加以解决。
The other factors that have changed are the vastly improved metal casting and machining technologies which are now used.
另一个改变的因素是大量改进后的金属铸造和加工方法的使用。
The new progress in magnesium strip roll casting is dwelled on, other magnesium plate and strip producing technologies are summarized in this part.
这里详述了镁合金板带的双辊铸轧技术进展情况，概述了镁合金板带的其他生产工艺。
The new progress in magnesium strip roll casting is dwelled on, other magnesium plate and strip producing technologies are summarized in this part.
这里详述了镁合金板带的双辊铸轧技术进展情况，概述了镁合金板带的其他生产工艺。
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