Warning: file_put_contents(/mnt/wwwroot/ppbbu.com/cache/8e0ec0f606850ccc63aa228a0db77583.txt): failed to open stream: No space left on device in /mnt/wwwroot/ppbbu.com/index.php on line 58 winning drum例句_winning drum英汉例句_winning drum双解例句_英語字典
It is the first to use the tilt helical vane to design the drum of the coal_winning machine, which breaks through the traditional drum design ways of the coal_winning machine. 打破了傳統的採用正螺鏇葉片設計滾筒，。首次採用傾斜螺鏇葉片設計滾筒。