2414.Make sure that there are safety barriers around the engine exhaust area.

A. If a supply shutoff valve was closed within five minutes,no maintenance performance is needed and shutoff periods are not accumulated.

B. Maintenance action is not necessary and shutoff periods are not calculated unless the shutoff valve was closed for less than five minutes.

C. When a supply shutoff valve was closed for five minutes,maintenance action is hardly requiredand shutoff duration are not included.

D. C.When a supply shutoff valve was closed for five minutes,maintenance action is hardly requiredand shutoff duration are not included.

A. 维修手册应提供每个标牌的位置和插图 - 模板或标志符,以表明哪些是最低设备清单要求的。

B. 维修手册中应提供标牌的模板和符号标记,具体安装按最低设备清单要求显示其位置。

C. 维修手册须提供各种最低设备清单中要求的标牌位置信息和图片说明。

A. 它应是独立的,并可重复其他测试。

B. 它应该被包含在内且能够复制其他的检测信息。

C. 它应该是自包含的,且能应用于其他检测。

A. 飞机交付后因进行改装而需要对《维护手册》进行修订时,由改装设计批准书持有人负责。

B. 因飞机交付后进行改装而需要对《维护手册》进行修订时,由型号设计改装批准者负责。

C. 由于飞机交付后的改装而需要对《维护手册》进行的任何修订,由改装的型号设计批准者负责。

D. C.由于飞机交付后的改装而需要对《维护手册》进行的任何修订,由改装的型号设计批准

E. C.由于飞机交付后的改装而需要对《维护手册》进行的任何修订,由改装的型号设计批准者负责。

A. 不要组装或修理点火嘴。

B. 不要拆解或修理点火嘴。

C. 不要组装或更换点火嘴。

A. Warning is an operating procedure,inspection ,repair or maintenance practice ,which if not correctly followed,could result in personal injury ,or loss of life.

B. You should obey the warning in an operation procedure,check,repair or maintenance practice,otherwise person injury or death will happen.

C. Warning in an operation procedure,inspection ,repair or maintenance practice should be followed seriously,whereas may involve in personal injury ,or loss of life .

A. 把飞机推回到原来的位置。

B. 将飞机恢复到通常状态

C. 把飞机向后推到原来的位置。

A. 手册建议您在气流良好的区域制备混合物。

B. 制造商建议您在气流良好的区域制备混合物。

C. 制造商强调您在气流良好的区域制备混合物。

A. The drain float valves in the vent tubes and the vent channels dilute the fuel in the vent system to drain out of the tank when the fuel face is lower than the valve.

B. The drain float valves in the vent tubes and the vent channels permit fuel in the vent system to drain into the tank when the fuel level is lower than the valve.

C. The drain float valves in the vent tubes and from the vent channels allow the fuel in the vent system to drain into the tank when the fuel quantity is lower than the valve.

A. Do not make the pressure became less than (or more than) 20 psi.

B. Do not let the pressure become less than (or more than) 20 psi.

C. Do not let the pressure close less than (or more than) 20 psi.