The originators of the change forms are usually notified of the related STEMG assessments and decisions.

A. 真空设备将空气注入到化合物中。

B. 真空设备可以抽走化合物中的空气。

C. 真空设备用于从化合物中提取空气。

A. 为了便于旅客和机组人员在紧急情况下快速撤离,所有主要旅客门也可以作为紧急出口.

B. 为了机组人员在紧急情况下从快速通道撤离,所有这些主要的门都应作为紧急撤离出口.

C. 为了便于有紧急事务的旅客快速离开，所有主要旅客门都可以作为紧急出口.

A. It is important that the correct sequence of assembly is used when doing a repair, this will make sure that all parts are correctly aligned.

B. It is important to assemble the parts in a correct order during a repair which makes sure all parts correctly aligned.

C. When doing a repair, the correct sequence of assembly is important, which will make sure that all parts are correctly engaged.

A. APU start attempts are inhibited above 25,000 feet with both busses off, only one start attempt is allowed below 25000 feet.

B. With both busses power off, APU start attempts is recommended above 25000 feet and only one start could be accepted below 25,000 feet.

C. APU start attempts are not recommended above 25,000 feet. With both busses off, only one start attempt is recommended below 25,000 feet.

A. A system consists of related components used to perform a specific function.

B. A system is a combination of interrelated components arranged to perform a specific function.

C. A system is combined with relevant components that perform a specific function.

A. Hoist the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.

B. Hoist the outflow valve trigger switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.

C. Hold the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.

A. 当压气机机匣被冷却后，压气机叶片间距变小。

B. 当涡轮机匣被冷却后，涡轮叶尖距变小。

C. 当涡轮机匣被冷却后，涡轮叶片间距变小。

A. The main oil/fuel heat exchanger uses the low temperature of the scavenge oil to reduce the fuel flow from the low pressure fuel pump.

B. The main oil/fuel heat exchanger uses fuel from the low pressure fuel pump to decrease the temperature of the scavenge oil.

C. The main oil/fuel heat exchanger sends fuel from the low pressure fuel pump to the scavenge oil lines to decrease the oil temperature.

A. 调整倾斜仪，直到气泡位于中心。

B. 在倾斜仪上的气泡位于中心后进行调整。

C. 将倾斜仪调整到气泡的中心位置。

A. 补充空气是系统的一部分，它改变和控制流入排气系统的补充空气流量。

B. 辅助空气是系统变化的一部分，它可以控制补充空气的排气量。

C. 补充空气是系统中变化和控制的部分系统，补充空气流向排气系统。