短語詞組短語bottom slag removing 底渣輸送bottom slag removing system 底渣輸送系統(tǒng)Slag removing rate 脫渣率slag removing system 除渣系統(tǒng)ash and slag removing system 除灰渣系統(tǒng)Welding slag removing -collecting system 焊渣清理收集裝置 返回 slag remove