短語詞組短語shaker hearth electric furnace 搖牀式電爐hearth h furnace 牀式反射爐hearth rolling furnace 可傾式平爐hearth melting furnace 牀式熔爐roller hearth sintering furnace 輥道爐膛燒結(jié)爐single hearth test furnace 試騐用單膛焙燒爐electrode hearth arc furnace 底極電弧爐Rotary Hearth Continous Furnace 轉(zhuǎn)底式加熱爐roller hearth normalizing furnace 輥底式熱処理爐 返回 hearth furnace