Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/1b6ad65f0ca3971bb078e34de8bf6aa4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 outcrop of coal seam是什么意思，outcrop of coal seam的翻译，outcrop of coal seam音标、读音、用法和例句_贰靶汉英词典