434.Damage can occur to the pump if there is not sufficient oil in the reservoir.

A. The same word “base” can go into different technical name categories when it is used with different meanings in different contexts.

B. The same word "base",when it has different meanings in different environment,it can be divided into different technical name categories.

C. When the word "base" can be divided into different technical noun categories,it has different meanings in different language environment.

A. During this period,if you use economy power settings,the engine may be damaged."

B. The use of economy power settings during this period may be detrimental to the engine life."

C. The use of economy power settings during this period may reproduce the engine life."

A. Operational Test: That procedure required to ascertain only that a system or unit is operable.These tests should require no special equipment or facilities other than that are installed on the aircraft and should be comparable to the tests performed by the flight crew.It is not intended that theoperational test of the unit shall meet the specifications and tolerances ordinarily established for overhaul,or major maintenance periods."

B. Operational Test: That procedure required to ascertain only that a system or unit is operable.These tests should require no special equipment or facilities other than that are installed on the aircraft and should be comparable to the tests performed by the flight crew.It is not intended that the operational test of the unit shall meet the specifications and errors ordinarily established for overhaul,or significant maintenance periods."

C. Operational Test: That procedure required to ascertain only that a system or unit is operable.These tests should require no special equipment or facilities other than that are installed on the aircraft and should be comparable to the tests performed by the flight crew.It is not intended that the operational test of the unit shall meet the specifications and tolerances ordinarily established for overhaul,or significant maintenance periods.

A. 齿轮箱部分包括齿轮、曲柄、密封件、油箱、冷却器等。

B. 齿轮箱部分包括叶轮、轴、密封件、油泵、冷却器等。

C. 齿轮箱部分包括齿轮、轴、密封件、油泵、冷却器等。

A. A motor can power all the systems.

B. One generator can power for all the systems.

C. One generator can supply power for all the systems.

A. 如果你不小心将防水剂喷到了干燥的挡风玻璃上,使用肥皂水进行清除。

B. 如果意外作动电门在干燥风挡上喷洒了离水液,使用化合物进行清洁。

C. 如果意外将疏雨液喷到了干燥风挡上,需用溶剂进行清除。

A. When you lift the aircraft on racks,keep the center of the aircraft between these limits.

B. When you lift the aircraft on jacks,keep the center of gravity between these limits.

C. When you lift the aircraft on jacks,the gravity of the aircraft shall be limited.

A. This procedure does not include the removal of the cylinder.

B. This procedure does not exclude the removal of the piston.

C. This procedure does not include the removal of the piston.

A. 然而“紧急情况”反而总是排除需要立即快速反应的故障,例如整个动力装置故障、火灾或烟雾或机舱快速减压。

B. 然而“紧急情况”几乎总是包括需要立即快速反应的故障,例如整个动力装置故障、火灾或烟雾或机舱快速减压。

C. 然而“紧急情况”几乎总是排除需要立即快速反应的故障,例如整个动力装置故障、火灾或烟雾或机舱快速减压。

D. B.然而“紧急情况”几乎总是包括需要立即快速反应的故障,例如整个动力装置故障、火灾或烟雾或机舱快速减压。

E. C.然而“紧急情况”几乎总是排除需要立即快速反应的故障,例如整个动力装置故障、火灾

F. C.然而“紧急情况”几乎总是排除需要立即快速反应的故障,例如整个动力装置故障、火灾或烟雾或机舱快速减压。

A. 如果接头有燃油泄漏,则进行修理。

B. 如果变压器有燃油泄漏,则进行修理。

C. 如果传感器有燃油泄漏,则进行修理。