753.方向舵用于偏航控制 ( )

184.Make sure that the two spigots at the bottom of the unit engage( )

183.气流沿着缝翼的顶部和底部表面流动。 ( )

182.Rinse the basin with water( )

181.使用孔探仪从内部检査燃烧室 ( )

180.大多数军用和商用飞机使用涡扇发动机 ( )

179.Head up into the wind( )

178.Jack was down in the mouth because he missed his plane ( )

177.释放高温大翼防冰气体会导致人员受伤。( )

176.确保探头的温度升高到超过 500 摄氏度。( )

175.If the instructions give a warning about dangerous pressure, do not open the container ( )