2123. De-icing is a procedure that removes ice and snow from the aircraft surfaces

A. INCLUDE

B. INCLUDES

C. INCLUDING

A. Before removing the outboard torque shaft, this torque shaft can move inboard.

B. If you remove the outboard torque shaft first, this torque shaft can move inboard.

C. After this torque shaft moves inboard,remove the outboard torque shaft.

A. 由制造商决定,本手册可以制成带有永久多环盖的活页形式,Aerofiche卡形式或永久性装订形式。

B. 由制造商决定,手册可以制成带有耐用多环盖的活页形式,Aerofiche卡形式或永久性装订形式。

C. 由制造商决定,手册可以制成带有永久多环盖的活页形式,Aerofiche卡形式或胶装装订形式。

A. 该系统必须启动以防止反推操作故障。

B. 必须对该系统进行排故以防止反推操作故障。

C. 该系统必须被限动,以防止反推意外工作。

A. That portion of the system which presents information derived from pulse-coded transmissions. Includes telephone exchange, SELCAL, CALSEL, etc.

B. That portion of the system which presents information derived from sine wave-coded transmissions. Includes Teleprinter, SELCAL, CALSEL, etc.

C. That portion of the system which presents information derived from pulse-coded transmissions. Includes Teleprinter, SELCAL, CALSEL, etc.

A. Because of the speed of the AC, the magnetic fields and electric fields created around the emission do not have time to completely collapse as the AC cycles;

B. Because of the speed of the AC, the electromagnetic fields and electric fields created around the antenna do not have time to completely collapse as the AC cycles;

C. Because of the speed of the DC, the electromagnetic fields and electric fields created around the antenna do not have time to completely collapse as the DC cycles;

A. The retaining clip must move quickly into position.

B. The retaining clip should move quickly into position.

C. The retaining clip should move quickly look.

A. Clean the mask assembly with antiseptic.

B. Clean the mask assembly with disinfectant.

C. Cleanse the mask assembly with detergent.

A. 在大修手册中,这一节必须包括诸如动力装置组装、拆除等。

B. 在维护手册中,这一节应包括诸如动力装置组装、拆除等。

C. 在大修手册中,这一节应包括诸如动力装置组装、拆除等。

A. 面罩

B. 护目镜

C. 防护服