2953. Whenever practical, each symbol should physically resemble the actual system component depicted in the schematic diagram

A. Do not use verbs that are general and vague.

B. Do not use verbs that are normal and mixed.

C. Do not use verbs that are usual and blended.

A. 那些说明可以作为定期维修所必须的参考

B. 那些指令是执行定期维修所必须的

C. 那些指示必须进行有计划维修

A. The crankshaft in an aircraft engine also absorbs power from all cylinders or is used to transfer power from cylinders to propellers.

B. The crankshaft in an aircraft engine also absorbs power or transfers work from the cylinders to the propeller.

C. The crankshaft in an aircraft engine also absorbs the power or work from all the cylinders and transfers it to the propeller.

A. The APU is designed to generate and supply one or some of the following power: auxiliary electric, hydraulic, pneumatic or other power.

B. The purpose of the APU is to produce and distribute one or more auxiliary electric, hydraulic, pneumatic or other power.

C. Auxiliary electric, hydraulic, pneumatic or other power can be generated and supplied by one or several APUs.

A. 外界温度是从飞行温度指示或地面气象来源获得,根据仪表误差和压缩效应进行调整的自由空气静态温度。

B. 外界空气温度是自由的空气静止温度,能获得来自飞行中的温度指示或地面气象资源,并能校正仪表错误和压缩效果。

C. 从飞行时记录的温度或地面气流源的温度,通过调试仪器误差和压缩作用,使外来空气温度释放静止空气温度。

A. This example shows that we were only allowed to calculate the data applicable to Type B.

B. The data we are now calculating in this example apply only to Type B unit.

C. The data used for the calculations in this example apply only to type B unit.

A. 确保发动机进气道无松动

B. 确保发动机进气道无松动物

C. 确保发动机进气道无外来物

A. Only the certified personnel can complete the modification or repair to the aircraft.

B. Pay attention that inspections or maintenance work ought to be carried out by mechanics.

C. Modifications or repairs to aircraft should be achieved by releasing staff.

A. The bolts are on the opposite side of the flange.

B. The bolts are on the rear side of the flange.

C. The bolts are on the across side of the flange.

A. The test will stop when the pressure is larger than 7000 kpA.

B. Stop the test if the pressure reaches 7000 pA.

C. Stop the test when the pressure is more than 7000 kpA.