Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/026b0e61d850911ac85bbf6f2af0aa9d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 Newcomen例句_Newcomen英汉例句_Newcomen双解例句_2020年的事情英文词典
Watt was originally an instrument maker who realised the inefficiency of Newcomen's engine when he was asked to repair a model of one at the University of Glasgow. 瓦特曾专门负责制造工具，当他被请到格拉斯哥大学去修理一台纽科门发动机时，他意识到它的不足。