常见例句双语例句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。 返回 wooden strut