Warning: file_put_contents(): Only 0 of 4911 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/62383.com/index.php on line 55 wooden strut例句_wooden strut英汉例句_wooden strut双解例句_流逝汉英词典
The aim of this paper is to give a more or less general treatment of vibration of elastic non-uniform strut, such as composite wooden screw-propeller. 本文以集合木制螺旋桨作为启示的出发点,从而想使弹性直杆振动问题能初步臻于一个比较更一般的处理。