Gentle stemming and pressing techniques, cold primary fermentation, handling by gravity, fermentation in heat-conditioned steel tanks are synonymous with quality and genuineness.

温柔的填塞及压榨方法，冷的初发酵，用重力的作用，在热的钢罐中发酵都是为了确保其品质。

youdao

The microstructure, properties and cracks of the fractured cold pressing die made of 45 steel were analyzed by optical microscope, scan electronic microscope and micro-hardness instrument.

采用光学显微镜、 扫描电子显微镜、 硬度机等对表面已开裂破损45钢冷冲模具的组织、性能和断口进行研究分析。

youdao

Therefore, the most pressing matter is to change the present pattern of coexistance of both hot and cold rolled electrical grade steel sheets in China and disco…

为此，开发建成我国第一条国产化电工钢高速连续退火生产线，对提高冷轧电工钢的产量和质量均具有十分重要的意义。

youdao