Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/5d973c7c3db75fae2d8d11ec08dd5a12.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 principle of moment of momentum是什么意思，principle of moment of momentum的翻译，principle of moment of momentum音标、读音、用法和例句_歐米惠必应词典