The high-aspect-ratio flying wing eliminates vertical tail and conventional rudder, and uses instead a splitdrag rudder with large deflection as its directional control surface.
大展弦比飞翼布局飞机取消了垂尾和常规方向舵，通常采用大偏角的开裂式方向舵作为偏航操纵面。
2
Meanwhile a newly restored dividend — albeit a measly one penny per share — and a ten-for-one reverse stock split could drag its shares out of the single digits.
新恢复了分红——虽然每股只有1美分——它的十合一的合股使它从低股价中走了出来。
3
In 1998, it produced DC motor to drag piston compressor split type electric air conditioning system, solved the adaptability problem in complex trolleybus 's power supply system.