Both the structure and principles of design of an electrical furnace for melting enamel frit have been recommended.

介绍了电熔搪瓷瓷釉熔炉的结构及设计原理。

youdao

Both the structure and principles of design of an electrical furnace for melting enamel frit have been recommended.

介绍了电熔搪瓷瓷釉熔炉的结构及设计原理。

youdao