The utility model is characterized in that the top of the center shaft is provided with a plurality of thinwing pieces in the axes direction of the center shaft.
其特征是在固定中轴沿固定中轴的轴线在中轴的顶端制出若干个薄的翼片。
2
In particular, when PHA is inserted beneath the thin skin of a bird's wing, it causes a swelling a bit like a mosquito bite.
尤其是，当这种物质被注射如鸟类翅膀下很薄的皮肤时能够产生蚊子叮咬一样的肿包。
3
Or you can use a couple of thin slices of balsa to make a huge wing, one that will carry maybe twenty engines.