1546. The alphanumeric display shows only voltage and frequency when you select one of these pushbutton

A. 面罩

B. 护目镜

C. 防护服

A. 盖子朝下的时候,是开关在开位的一种保护。

B. 封面在下面的时候,是开关在开位的保险。

C. 盖子朝下的时候,是开关在开位的保险。

A. Make sure that the cargo compartment pressure stays constant.

B. Make sure that there is pressure in the cabin.

C. Make sure that the cabin pressure stays constant.

A. That portion of the system which is used to store and deliver wash water which is not potable

B. The part of a system used to store and transport drinking water.

C. The part of a system used to store and trans port non-potable water.

A. The center of gravity moves in relation to forces applied on the wings.

B. The center of gravity moves evenly to the loads of the wings.

C. The center of gravity moves along with the weight of the wings.

A. Adjust the clearance dimension between the extend proximity sensor[1A] and the target[1C] until the clearance dimension is out of range. Some of the ducts in the air distribution system are wrapped with compound material.

B. Adjust the clearance dimension between the extend proximity sensor[1A] and the target[1C] in case of the clearance dimension is out of tolerance. Some of the ducts in the air distribution system are wrapped with non-conductive material.

C. If the clearance dimension is not accurate,adjust the clearance dimension between the extend proximity sensor[1A] and the target[1C]. Some of the ducts in the air distribution system are wrapped with insulation material.

A. Unscheduled maintenance are those maintenance checks and inspections on the aircraft,its systems and units which are recognized by the manufacturer as special or unusual conditions which are not related to the time limits specified in-10 above.

B. For the unscheduled maintenance checks and inspections of aircraft,aircraft systems and components,the manufacturer shall not include special or unusual conditions from the time limits specified in-10.

C. If the unscheduled maintenance checks and inspections on the aircraft,its systems and units are special or unusual conditions,the time limits specified in-10 shall be referred to by the manufacturers.

A. 出现在基本维修手册中的系统/章节/部分中的线路图同时也在单独的线路图手册中出现。

B. 线路图可能出现在基本维修手册中的系统/章节/部分中或者在单独的线路图手册中出现。

C. 线路图出现在基本维修手册中的系统/章节/部分中和单独的线路图手册中出现。

A. Boost pump is generally used in lubrication system.

B. Boost pump is usually driven by electrical power.

C. Boost pump is mounted on the engine’s accessory gearbox and driven by the gearbox.

A. 在本构型中,必须执行不同的测试程序。

B. 在本构型中,可以选用不同的测试程序。

C. 本次会议强制要求使用不同的测试程序。