715.Having reached the airport, he found that the airplane had taken off ( )

222.If you are not sure if the unit is serviceable, do a standard serviceability test ( )

221.指示空速是修正仪表误差后空速指示器所指示的飞机速度 ( )

220.所需转速驱动发电机的机械装置。 ( )

219.Electrical and hydraulic systems associated with door control are included as appropriate ( )

218.Emergency Procedures and other pertinent information necessary for safe operations shall be provided for emergencies peculiar to particular airplane design, operating or handling characteristics( )

217.The engine tachometer system supplies the engine low pressure rotor [N1]and the engine high pressure rotor [N2]speed signals ( )

216.不要将压缩空气出口对着皮肤。 ( )

215.Once designed and approved, the establishment of thorough maintenance procedures is a must ( )

214.The Maintenance Manual and/or Maintenance Data furnished to the Purchaser shall provide sufficient information to enable a qualified mechanic, as appropriate, to inspect troubleshoot, test, and repair or re lace all systems and units considered by the manufacturer to be repairable or replace able as a part of the normal maintenance procedures ( )

213.Except when the Handbook producer is restricted in choice or otherwise limited, the choice is his( )