1815. To install the indicator, tilt it rearward

A. 交换是用于引入和交换空气的系统;

B. 分配是用于引入和分配空气的系统;

C. 分配系统用于导入分配的空气;

A. The wire must touch the front of the contact.

B. The wire must bond the rear of the contact.

C. The wire must touch the rear of the contact.

A. OEUs将主汇流条上的5V交流电转换成115V交流电以供给排呼叫灯和12v交流电的阅读灯。

B. OEUs将来自主汇流条的115V交流电转换成用于排呼叫灯的5V交流电和用于阅读灯的12v交流电。

C. OEUs将来自主汇流条的115V交流电转换成5V和12v的直流电,用于排呼叫灯和阅读灯。

A. The resistance of the bonding jumper depends on its location, may be either high or low.

B. Bonding jumper is used to connect a structural component to an electrical component.

C. The resistance of the bonding jumper is very low.

A. 维护安全组件

B. 安装安全装置

C. 拆卸安全部件

A. The first step in listing possible causes of each trouble is to show what sections of the system may be at fault.

B. Listing possible causes of each trouble is the first step to show what sections of the system may be failure.

C. The first step in listing which parts of the system are likely to fail is to show the possible causes of each failure

A. The material used for the flight control cable may be the stainless steel.

B. Aluminium alloy can be selected as material for the aircraft flight control cables.

C. Galvanized carbon steel can never be used to make flight control cables.

A. When cleaning corrosion with a cleaning fluid, avoid damaging adjacent areas.

B. Avoid damaging the area around when we clean the corrosion with cleaner.

C. Use solution to clean the corroded area and prevent to damage the surroundings.

A. 如果仅仅损坏了轮胎中间表面,轮胎还是可用的。

B. 如果损伤是胎间见线,轮胎需要更换。

C. 如果损伤只局限于胎面中部,轮胎是可用的。

A. The V-bars indicate command to bank.

B. The V-bars indicate roll information.

C. The V-bars give the indication for a bank.