Main blade grip 主旋翼夹片组件
main blade clincher link 主桨夹连接件
main rotor blade 主旋叶
main rotor blade area 旋翼桨叶面积
main saw blade 主锯片
With the main blade lifting screw, nut structure, stable and reliable.
主锯片升降采用螺杆，螺母结构，平稳可靠。
The main blade and the blade Angle secant Angle precision instrument by the visual display.
主锯片及割线锯片倾角由精密角度仪直观显示。
Adding a rotor blade (it had five on the main rotor and four on the tail) and using a modified exhaust system were among them.
增加一个桨叶(主桨有5个叶片，尾桨有4个)，并使用了改进的排气系统。
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