273、The system design makes sure that two AC power sources can not supply power to the same transfer
bus at the same time.

A. 　如果安装了某一个设备,那么要说明安装它的重要性

B. 　如果安装了其中一个设备,则说明它是否是必需的设备

C. 　如果安装了两个设备,需要说明其必要性

A. 　所有信息都是 FAR 23 部法规的要求,其他适用法规也会包括在内

B. 　 FAR 23 部法规要求所有其他适用法规的信息都包括在内

C. 　FAR 23 部法规或者其他适用法规所要求的所有信息都会包括在内

A. 　 Your skin and lungs can be protected

B. 　 Your skin and lungs can be harmed.

C. 　 Your skin and lungs can be harmed suddenly.

A. 　从新垫圈上标有 ANTENNA SIDE 的一侧 撕掉保护膜

C. 　从新垫圈一侧撕掉保护膜 然后标记 ANTENNA SIDE

A. 　For line maintenance carried out at a line station of an organization which is located outside the

A. 　 Procedures shall be provided for starting the engine in air and, moreover the engine does not start, for
lt is quite easy to understand long noun clusters because the words in the noun cluster have close
subsequent.

B. 　 Procedures shall be provided for starting the engine in flight and in the event the engine does not start, for
subsequent.

C. 　 Procedures shall be provided for starting the engine in flight and, for instance the engine does not start,
for preceding.

A. 　 Normally for an aircraft that has tail wheels, you can tow the tail wheels forward. Todor this you can
connect the tow bar to the main landing gear.

B. 　 Usually, for an aircraft that has tail wheels, you can link the tow bar to the main landing gear, thus you can
tow the aircraft forward.

C. 　 For an aircraft that has tail wheels; you can tow the aircraft forward only when the tow bar is linked to the
main landing gear.

A. 　 lf you do not obey this precaution injury to your skin and lungs can occur.

B. 　 If will damage to your skin and liver unless you follow the cautions.

C. 　 lf you understand the instructions, your body will not be hurt.

A. 　 The operator's maintenance0Eorganization' must make sure that each aircraft has all inspection records.

B. 　 Make sure that the required repair /alteration/inspection documents of each aircraft must be kept by
maintenance organization of the operator.

C. 　Ensure that the operator's maintenance organization has retained the required maintenance/alteration/inspection records for each aircraft.

A. 　 The Continuing Airworthiness Program Inspection number is also provided above the page and is the CAP
chapter number.

B. 　 The Continuing Airworthiness Program Inspection number is also displayed at the bottom of the page and
is the CAP section number.

C. 　 The Continuing Airworthiness Program Inspection Code is also showed under the page and is the CAP
item number.