Systems consisting of several components, such as ice protection systems, may have Supplements for each component, such as propeller boots, wing and empennage boots, or heated airspeed static source, if the equipment is FAA Approved by component and marketed individually.

A. Air filter needs to be replaced on regular maintenance schedule, because it often causes low flow through the equipment cooling supply system. Quickly release the tabs on the air filter housing cover to reach the filters.

B. Low flow through the equipment cooling supply system is caused by a contaminated air filter, therefore regular replacement is necessary, release the quick release tabs on the air filter housing cover to approach to the filters.

C. A blocked air filter which causes low flow through the equipment cooling supply system needs replacement on a regular maintenance schedule. Release the quick release tabs on the air filter housing cover to reach the filters.

A. Install caps on the receptacles to make sure that unwanted material does not go into the receptacles.

B. To ensure foreign objects do not get into the connectors, you should install caps.

C. To keep the unwanted material away from the receptacles, install plugs on them.

A. 描述飞机螺旋桨时，如果合适，应阐述正桨、反桨和反转。

B. 描述飞机螺旋桨时，如适用，应描述顺桨、解除顺桨和反桨相关信息。

C. 描述飞机螺旋桨时，如果合适，应讨论顺桨、不反桨和反推。

A. Two controversial ways can be chosen to do the test, either with the Central Maintenance Computer System through a the MCDU, like you have probably learned already, and with a test switch on the VOR receiver in the avionics compartment.

B. You can do the test following procedures -- with the Central Maintenance Computer System by the MCDU, you have probably learned already, and with a test switch on the VOR receiver in the avionics compartment.

C. The test can be done in either way below-- using the Central Maintenance Computer System via the MCDU, as you have probably already learned, or using a test switch on the VOR receiver in the avionics compartment.

A. 系统流程图应以带有图案的阴影图标表示，并尽少使流程转弯。示意图要包括发动机、油箱、水箱等并以它们为示意图的起始。

B. 系统流程图应以有图案的阴影为背景，并且尽量少用折线。示意图应包括发电机、燃油箱和液压油箱，它们应作为所示流程的起点。

C. 系统流程图应以阴影图形为图标底色，并且尽少使用连线。示意图以发电机、油箱和储压罐作为流程的端点。

A. Many readers have little knowledge of English. Complex sentence structure and the large number of meanings and antonyms that many English words have can cause misconception.

B. Many readers have a limited knowledge of English. Complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion.

C. Many readers have a little knowledge of English. Complex sentence structure and the large number of meanings and homonyms that many English words have can cause frustration.

A. "Maintenance Practices" include servicing, removal/installation, adjustment/test, inspection/check, cleaning/painting, and approved repairs. "Maintenance Practices" should obey the instructions of the Troubleshooting Section.

B. "Maintenance Practices" include servicing, removal/installation, adjustment/test, inspection/check, cleaning/painting, and approved repairs. "Maintenance Practices" should be located after the Troubleshooting Section.

C. "Maintenance Practices" include servicing, removal/installation, adjustment/test, inspection/check, cleaning/painting. And approved repairs should be located after the Troubleshooting Section.

A. 齿轮箱是一个包含齿轮系和轴的箱体。

B. 齿轮箱包含了齿轮火车和曲轴。

C. 有一类齿轮箱包含了齿轮组和轴。

A. 控制升降舵/副翼和配平片位置和移动的系统部分。

B. 控制升降舵/升降翼和调整片位置和运动的系统部分。

C. 控制升降舵/升降副翼和配平片位置和移动的系统部分。

A. Right wing inboard flap control cable at control mechanism located in right rear wheel well is incorrectly routed and kinked.

B. The right rear wheel well right inner flap control mechanism controls the wrong alignment and is knotted.

C. Right wing inner flap control cable at control mechanism after right wheel well is incorrectly moved and twisted.