Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/1b65ac67426286c04b95a85d7cf970e6.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 constant angular speed ratio是什么意思，constant angular speed ratio的翻译，constant angular speed ratio音标、读音、用法和例句_果味酸柯林斯词典