介绍了无涂层电工钢冲片叠片成型后的电机定子和转子在罩式炉内进行退火和发蓝处理一次完成的新工艺及装置。
A new technology and equipment of annealing and bluing for finished stator and rotor of uncoated cold-rolled electric steel lamination in bell-type hytrogen furnace was introduced.
全金属孔板叠层换热器是由铜制孔板和不锈钢隔片相间叠置，采用扩散焊工艺焊接而成。
The complete metallic perforated plate heat exchanger is made of a lot of perforated copper plates alternated with stainless steel spacers, and piled up and welded each other.
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