uniform pitch screw的意思|示意
美 / /
英 / /
等距螺纹螺杆
uniform pitch screw的网络常见释义
等距螺纹螺杆 ... uniform pitch screw 等距螺纹螺杆 Uniform Pitch Control 统一距控制 uniform pitch propeller 非等螺距螺旋浆 ...