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.

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。

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A new technology and equipment of annealing and bluing for finished stator and rotor of uncoated cold-rolled electric steel lamination in bell-type hydrogen furnace was introduced.

介绍了无涂层电工钢冲片迭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。

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Structural steel material of main hull structure to be of the quality as required by the Classification Society and shall be free of cracks, lamination, surface defects and other defects.

主船体结构用钢的材料须满足船级社要求，并且无裂纹、迭片结构、表面缺陷和其他的缺陷。

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