Warning: file_put_contents(/www/wwwroot/ppbbu/n94.cn/cache/133623995be3857d536f6f8083937aed.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/n94.cn/index.php on line 55 finger-ring type transducer是什么意思，finger-ring type transducer的翻译，finger-ring type transducer音标、读音、用法和例句_94生活常识网有道词典