EGR冷却器的芯子可以通过真空钎焊获得。
不需要中间冷却器，与其他型号的真空泵相比，效率更高，维修更简便。
They require no intercoolers and offer greater efficiency and easier maintenance than other types of vacuum pumps.
对采用真空钎焊技术研制的铝制板翅式冷却器的形状设计及其真空钎焊工艺进行了分析。
A new aluminum plate-wing style cooler is developed by using vacuum brazing technique. In this paper the shape design and the vacuum brazing technique of this kind of cooler are analyzed.
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