Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/ff61abe839e2cf200fcb3c63187a9b47.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 tap-hole plug是什么意思，tap-hole plug的翻译，tap-hole plug音标、读音、用法和例句_橘子化妆朗文词典
By means of crushing and conditioning the size ratio, fettle material and mud powder to plug tap-hole for electric refining furnace use were developed. 通过加工破碎，调整粒度及配比等工艺参数，研制开发出铁合金精炼炉补炉料及堵眼粉。