Warning: file_put_contents(): Only 0 of 4929 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 composite materials dynamic vibration absorber是什么意思，composite materials dynamic vibration absorber的翻译，composite materials dynamic vibration absorber音标、读音、用法和例句_沉淀汉英词典