Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/fe6668460996d4a1f12b2d494acb3cd2.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 roof-bolt drill是什么意思，roof-bolt drill的翻译，roof-bolt drill音标、读音、用法和例句_欧米惠必应词典