He made a harmonica out of the corncob .

他把玉米棒子弄得象口琴一样。

The childish corncob amusement park is followed beat .

幼稚的棒子游乐园随拍。

Studied on the edible mushrooms by comprehensive utilization of corncob .

种植食用菌综合利用玉米芯的研究。

Introduce the corncob pretty girl who one not tidying up appearance to everybody .

向大家介绍一位没有整容的棒子美眉。

The method of extracting xylitol from corncob .

玉米芯中提取木糖醇的方法。