pot melting furnace罐熔炉
pot type furnace坩埚式炉
pot resistance furnace坩埚电阻炉
horizontal flame pot furnace平焰式坩埚窑
lead-pot furnace铅浴炉
stationary pot furnace固定式坩埚炉
pot-annealing furnace有内罩的退火炉
hearth of pot furnace坩埚窑作业室
heating pot furnace加热坩埚炉