按旋标式着陆指引仪飞行的英文

flying via the pvd

pvd flying

• 按:    press; push down
• 旋:    whirl
• 标:    Rockwell A scale
• 式:    type; style
• 着陆:    landing; land; tou ...
• 指引:    point; guide; show
• 仪:    appearance; bearin ...
• 飞行:    flight; flying; av ...