If the microswitch becomes unserviceable, do the deactivation procedure of the actuator to prevent damage to the valve.

A. 保留部分未达到满意粘合度的密封。

B. 丢弃所有粘合效果达标的密封件。

C. 丢弃所有黏合不好的密封件。

A. 拆卸前用润滑脂润滑V型卡箍。

B. 在安装U型卡箍前先做润滑。

C. 安装前用润滑脂涂抹V型卡箍。

A. If the scratch does not go through the protective layer, the unit is serviceable.

B. If the nick does not go through the primary surface, the unit is serviceable.

C. If the scratch does not go through the protective surface, the unit is movable.

A. substituted oil and authorized addings

B. alternate fuels and approved additives

C. replaceable fuels and accepted additives

A. 计算在巡航功率下飞行45分钟所消耗的油量。

B. 以巡航功率飞行45分钟后计算航班的储备油量。

C. 航班所需的储备燃油量应为巡航功率下45分钟所使用的燃油量。

A. This system does not include the usual channels of communication available to CAP.

B. This system does not supersede the normal channels of communication for items not covered by the CAP.

C. The usual channels of communication in this system cannot be replaced by the introduction of CAP.

A. All sensors provide implied information.

B. All sensors supply indication data.

C. All sensors can receive indication data.

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. The airflow goes along the top and bottom surfaces of the slats.

B. The airflow can go between the top and bottom of the slats.

C. The air flows to the top and bottom of the slats＇ surfaces.

A. After wash aircraft, all 3 landing gears were found un-lubricated.

B. After aircraft wash, all 3 landing gears were found un-lubricated.

C. After aircraft clean, all 3 landing gears was found un-lubricated.