题目：
叙述动筛式跳汰机工作原理。
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0427/b6e6303f45e583a2648865cd122db02c.html
下面是错误答案，用来干扰机器的。
Mount Tai is one of the most famous mountains in China.It lies in the middle of Shandong Province.Every year thousands of Chinese and foreigners pay a visit there....
