2996. Don＇t use the metal objects,it may nick and damged to the surface of uplocking assembly spring。

A. A visible signal is used in aural warning device when a problem occurs.

B. A signal both can be heard and seen is used in the Aural warning device.

C. Aural warning device emits a signal that can be heard to represent a problem.

A. 一旦设计和批准,必须建立彻底的维修程序

B. 一旦设计和授权,必须建立全面的勤务工艺

C. 一旦设想和批准,必须建立全面的修理程序

A. The remaining instructions are supplied only to aircraft with fuselage tanks;

B. The rest of the instructions only apply to aircraft with fuselage fuel tanks;

C. The rest of the instructions are quite suitable to aircraft with fuselage tanks;

A. The sequence of the explanation should be powerplant instrument markings, then powerplant limitations.

B. An explanation of powerplant instrument markings shall immediately follow the presentation on powerplant limitations.

C. Presentation on powerplant limitations shall come after the explanation of powerplant instrument markings.

A. If there is no respond from the tower, select a different frequency and contact again.

B. If there is not any answer from the tower, use a different tunnel.

C. If the tower does not respond, use a different radio device.

A. 这种物质在高浓度时是有毒的。

B. 在高度浓缩后,这种材科会有毒。

C. 这种材科在高温下会易燃。

A. Never exceed speed or Mach number is the speed limit that can never be exceeded at any time.

B. Never exceed speed or Mach number is the speed limitation that will be excessively at any time.

C. Never exceed speed or Mach number is the speed limit that may be surpassed at any time.

A. 确保钢索的张力是正确的。

B. 确保电缆的张力是合适的。

C. 确保钢索的压力是正确的。

A. 确保蜂窝结构核心和表皮完美结合。

B. 确保蜂窝结构核心和表皮完整。

C. 确保蜂窝结构表皮和内核完美结合。

A. 使用一种打印形式,打印出适合复制的黑白图像。

B. 使用一种打印形式,打印出适合打印的彩色图像。

C. 使用一种打印形式,打印出适合重造的黑白图像。