aerodrome conical surface的用法和樣例：
例句
- Adopting the straight-line bearing and asynchronism electrical machineries of conical surface braking, operation is steady.
採用直線軸承及錐面制動三相非同步電機，運作平穩。 - The surface generated by a straight line,the generator,passing through a fixed point,the vertex,and moving along a fixed curve,the directrix.
錐面由一條直線，即母線，通過一固定點，即頂點，沿一給定曲線，即準線，連續移動而產生的平面。
