Warning: file_put_contents(/www/wwwroot/ppbbu/52065.com/cache/87fc6fe6efe9c16b9f9723461c3858f8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/52065.com/index.php on line 55 elementary precision machinery design是什么意思，elementary precision machinery design的翻译，elementary precision machinery design音标、读音、用法和例句_伍贰汉英词典