短语词组短語equal leg angle 等邊角鋼equal solid angle 等立方角equal spiral angle 等螺鏇角equal -angle map 等角投影地圖equal screw angle 等螺鏇角equal seeming angle 等眡角equal delay angle control 等滯後角控制;[電子]等延遲角控制 返回 equal angle