Rotating furnace operator 旋转加热炉操作工

blast furnace operator 炉前工 ; 高炉工人

hydrogen braze furnace operator 氢气钎焊炉操作员 ; 氢钎焊炉操作

heat treatment furnace operator 热处理操作工

foundry furnace operator 铸造炉操作员

ring furnace operator helper 环形炉操作帮手

ring furnace operator 环形炉操作员

glass furnace operator 玻璃熔窑操作员

dross furnace operator 渣炉操作员

crucible furnace operator 坩埚炉操作员