3065. The use of metal in aircraft construction increased

298. 使用孔探仪从内部检査燃烧室

297. 大多数军用和商用飞机使用涡扇发动机

296. Head up into the wind

295. Jack was down in the mouth because he missed his plane

294. 释放高温大翼防冰气体会导致人员受伤。

293. 确保探头的温度升高到超过500摄氏度。

292. If the instructions give a warning about dangerous pressure, do not open the container

291. 通过三个循环操作作动筒

290. The girt bar attached to the escape slide which engages brackets on the floor for automatic slide operation when the doors are opened

289. The purpose of the CSD is to convert the variable speed of the engine to a constant speed for the driven of the generator to produce AC power at constant frequency