Warning: file_put_contents(): Only 0 of 5603 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 亚洲ⅴa久久久噜噜久久,粗大黑人巨精大战欧美成人,亚洲AV成人精品日韩一区18p
1. N-COUNT A blast furnace is a large structure in which iron ore is heated under pressure so that it melts and the pure iron metal separates out and can be collected. (煉鐵的)鼓風(fēng)爐; 高爐