熔化坩埚装置(自耗电弧炉构件)的英文

melting cup assembly

• 熔化:    melt; smelt; meltd ...
• 坩埚:    crucible; copple; ...
• 装置:    installation; devi ...
• 自:    self; oneself; one ...
• 弧:    arc bow
• 构件:    member; constructi ...