Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/0f51fabd5863627562bd8800cdfc1c14.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 backing pulley是什么意思，backing pulley的翻译，backing pulley音标、读音、用法和例句_果味酸柯林斯词典