Use caution to assure that probe is as close as possible to antenna base of panel without touching antenna.

A. 将飞机放置在平坦的地面上，使其系留点处于正确位置，并确保飞机停放时朝向风向，前起落架机轮在飞机轴线上。

B. 将飞机放置在带有系留点的平坦地面上，使其在适当位置，并确保飞机停放时朝向风向，前起落架机轮在飞机轴线上。

C. 将飞机放置在带有系留点的平坦地面上，使其在适当位置，并确保飞机在风中停放且前起落架机轮在飞机轴线上。

A. 使用多余的清洁剂清洁该区域。

B. 清除该区域多余的密封胶。

C. 在该区域内清理有害的密封剂。

A. It is permitted to show the legends within the diagram instead of listing at the bottom or on an adjacent page by the abbreviation number.

B. Legends shall be explained in a simple way within the diagram at the bottom or on an adjacent page except for abbreviation with numbers in a list.

C. If the space is enough, the legends shall be stated within the diagram and do not list them by numerical abbreviations at the bottom or on an adjacent page.

A. For normal operations, make sure the pressure relief valve is closed. An open pressure relief valve is a symptom of a problem in the fuel vent system.

B. For normal operations, make sure the shutoff relief valve works. If you open pressure relief valve, that indicates a problem in the fuel vent system.

C. For normal operations, make sure you close the pressure relief valve. If you leave it open, a problem will be shown in the fuel vent system.

A. If you must apply a strike to open the unit, examine the control linkage.

B. If you must apply an unusual force to open the unit, examine the turnbuckle.

C. If you must apply an unusual force to open the unit, examine the control linkage.

A. If a word is only understood by a very small number of people in a specific technical area, it will cause interference in communication.

B. If a word is only understood by a very small number of people in a specific technical area, it will cause disturbing in negotiations..

C. If a word is only understood by a very small number of people in a special skill area, it will cause interference in communication.

A. If you do not obey these precautions, injury to your skin and lungs can occur.

B. It will cause damage to your skin and liver unless you follow the cautions.

C. If you understand the instructions, you body will not be hurt.

A. Obey the safety precautions when you do work with high voltages.

B. When working with high resistances, you should follow the safety precautions.

C. The safety precautions are optional in an environment with high voltages.

A. 风扇降低气流速度。

B. 风扇使气流加速。

C. 风扇增加气流压力。

A. If there is no approval of the FAA Oversight Office that manages the airplane model Type Certificate, anyone cannot change or delete these inspection features that are compulsive.

B. These inspection features can be changed or deleted if they don＇t get approval of the FAA Oversight Office that is responsible for the airplane model Type Certificate because they are mandatory.

C. If changing or deleting of these inspection features is approved by the FAA Oversight Office that manages the airplane model Type Certificate, they are mandatory.