[机] high-frequency induction furnace

gāo pín gǎn yìng diàn róng huà lú ㄍㄠ ㄆㄧㄣˊ ㄍㄢˇ ㄧㄥˋ ㄉㄧㄢˋ ㄖㄨㄥˊ ㄏㄨㄚˋ ㄌㄨˊ