短語詞組短語shaft electrical arc furnace 豎爐;豎式電爐shaft electric arc furnace 豎爐電弧爐AC shaft Arc furnace 交流豎式電弧爐finger shaft arc furnace 豎式電弧爐shaft -electric arc furnace 豎爐電弧爐t finger shaft arc furnace t 豎式電弧爐 返回 shaft arc furnace