A、 The generators supply a three-phase voltage.The frequency of this voltage increases when the generator rotor speed increases.
B、 The rate of the three-phase voltage generated by the generator is proportional to the rotational speed of the generator rotor.
C、 The frequency of the three-dimensional voltage produced by the generator is changed with the rotational speed of the generator rotor.
答案:A
A、 The generators supply a three-phase voltage.The frequency of this voltage increases when the generator rotor speed increases.
B、 The rate of the three-phase voltage generated by the generator is proportional to the rotational speed of the generator rotor.
C、 The frequency of the three-dimensional voltage produced by the generator is changed with the rotational speed of the generator rotor.
答案:A
A. Possibly,the incorrect operation will occur due to the contaminated oil jet.
B. Incorrect operation is absolutely resulted from a blocked ignitor.
C. A blocked oil jet can cause incorrect operation.
A. Measure the movement of the inboard and outboard flaps.
B. Measure the movement of the onboard and outboard slats.
C. Operate the movement of the inboard and outboard ailerons.
A. 检查部件的接合处及邻近区域。
B. 检查部件的表面以及相关区域。
C. 检查部件的内部以及相邻区域。
A. If there are metal fragments in the liquid sample,replace the pump.
B. If there are only small metal particles in the solid sample,replace the pump.
C. If there are metal particles in the sample solids,replace the pump.
A. If there is hum from the loudspeaker,don't adjust the potentiometer.
B. Adjust the potentiometer unless hear a hum from the loudspeaker .
C. Adjust the potentiometer until the loudspeaker no longer hums.
A. 你需要在安装发动机时更换大量零件。
B. 更换发动机时,你可以安装大量部件。
C. 在发动机安装时可能更换大量部件。
A. The wing tanks and the center tank have the same rate of supply of fuel.
B. The rate of supply of fuel from the wing tanks to the center tank is equal.
C. The fuel supply rate from all wing tanks and the center tank is the same.
A. 基本的控制与操作资料描述了飞机各部件和系统的控制和操作的情况,包括所使用的专用程序和限制规定。
B. 基本的控制与运营资料描述了飞机各部门和系统是怎样控制和运营的,包括所申请的专用程序和限制规定。
C. 基本的控制与操作资料描述了飞机各部件和系统是怎样控制和操作的,包括适用的专用程序和限制规定。
D. C.基本的控制与操作资料描述了飞机各部件和系统是怎样控制和操作的,包括适用的专用程序和限制规定。
A. 不要将压缩空气出口对着你的皮肤。
B. 不要使压缩空气吹到皮肤。
C. 不要将压缩空气对准蒙皮。
A. 组装总管。
B. 安装连杆。
C. 安装总管。