短語(yǔ)詞組短語(yǔ)Stainless steel sheathed heater 不銹鋼護(hù)套式加熱器StainIess steel sheathed heater 不銹鋼護(hù)套式加熱器metal sheathed electrical resistance heater 金屬套電阻加熱器 返回 sheathed heater