Warning: file_put_contents(): Only 0 of 6206 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 pit type furnace例句_pit type furnace英汉例句_pit type furnace双解例句_魏碑心思朗文词典
The paper discussed the rebuilding process of oil pit type furnace and the effect of saving energy after it had been rebuilded. 本文論述了燃油多罐井式爐的改造過程及改造後取得的節能傚果。