All these offered methods and approaches to ameliorate controlled cooling system of medium plate in China.
这对改进我国中厚板控制冷却系统提供了方法和途径。
The present invention relates to one kind of controlled cooling heat treatment process and apparatus for bainite ductile iron.
本发明涉及一种贝氏体球墨铸铁的控制冷却热处理工艺及其装置。
These special features provide a basic condition for calefaction system and controlled cooling processes of vanadium middle carbon steel.
这就为制定含钒中碳钢加热制度和控冷工艺提供了基本条件。
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