如果未得到工作授权，不要执行该发动机测试。

A. 用干净的毛巾清洁表面。

B. 用干净的布擦表面。

C. 用干布擦表面。

A. Consult Table 7001 for information unrelated to the fabrication of the pivot assembly.

B. To obtain information about the manufacturing of the pivot assembly, refer to Table 7001.

C. Table 7001 contains details about all component except for the pivot assembly.

A. 本地信号由收发机处理，数据传输到空中交通管制。

B. 定位信号由收发机提供，数据传输到空中交通管制。

C. 定位信号由收发机处理，数据传输到空中交通管制。

A. Make sure that chemical compound are not near the engine nozzle.

B. Make sure that solvents are not near the engine exhaust.

C. Make sure that there＇s no isopropyl alcohol near the engine exhaust port.

A. The fuselage is a semi-monocoque structure.

B. The fuselage is a demi-plate.

C. The airframe is of half-shell structure.

A. This document compliments informaiton to the applicable airplane maintenance manual(s).

B. This document provides necessary informaiton to the applicable airplane maintenance manual(s).

C. This document provides supplemental informaiton to the applicable airplane maintenance manual(s).

A. 如果测试指示无故障，则继续执行程序。

B. 如果指示灯显示变弱，则更换阀门。

C. 如果测试指示有渗漏现象，则更换阀门。

A. 加载弹簧的张力。

B. 释放弹簧的张力。

C. 调整弹簧的伸缩。

A. That portion of the system is used to control the direction of movement of the aircraft off the ground, including items such as shock strut, controls, bogie swivel unlock, etc.

B. That portion of the system is used to control the direction of movement of the aircraft on the ground, including items such as skid blocks, controls, bogie swivel unlock, etc.

C. That portion of the system is used to control the direction of movement of the aircraft on the ground, including items such as actuating cylinders, controls, bogie swivel unlock, etc.

A. Wrap two tapes around the pipe connectors.

B. Wrap the pipe joints with tape twice.

C. Wind two layers of tape around the pipe joints.