Warning: file_put_contents(/home/www/wwwroot/zidian/69228.com/cache/a432a22021e6fe75a0e29426aa16b51e.txt): failed to open stream: No space left on device in /home/www/wwwroot/zidian/69228.com/index.php on line 55 国产男女色诱视频在线播放,国产成人精品国产亚洲欧洲,亚洲AV无码国产精品麻豆天美
His aim was to improve the efficiency of the open fire by the use of lumps of fireclay and by a canopy, both designed to increase the amount of radiant heat. 他通過爐蓋和火泥塊的使用來起到改善敞開的爐子的傚率的目的，這兩項(xiàng)設(shè)計(jì)提高了熱輻射量。