新型无毒液体渗碳剂的研究
Development on a New Carburization Agent of Non-Toxic Liquid
固体渗碳剂的老化
Aging of Solid Carburizing Agent
再论固体渗碳剂中碳酸盐的催化机理
Re-exploring on Catalyzing Mechanism of Carbonate in Pack Carburizing