中频感应电炉 meaning in Chinese

medium frequency induction furnace
medium-frequency induction furnace

Melting characteristics amp; amp; operational proceeding of mf induction furnace
中频感应电炉的熔炼特性及操作
Relationship between tensile strength and hardness of gray irons melted in medium - frequency induction furnace
中频感应电炉熔炼灰铸铁抗拉强度与硬度的关系
Researches of characteristics and problems of liquid iron during melting process with medium frequency induction furnace
中频感应电炉熔炼铁液特性研究及对策