Use the reset pushbutton to reset the elapsed time.

A. Install two mats, each 3.5 mm thick.

B. Install two spacers, each 3.5 mm thick.

C. Install two rings, each 3.5 mm thick.

A. APU start attempts are inhibited above 25,000 feet with both busses off, only one start attempt is allowed below 25000 feet.

B. With both busses power off, APU start attempts is recommended above 25000 feet and only one start could be accepted below 25,000 feet.

C. APU start attempts are not recommended above 25,000 feet. With both busses off, only one start attempt is recommended below 25,000 feet.

A. Decrease the pressure in the hydraulic system.

B. Bleed the speedbrake hydraulic system.

C. Disconnect the speedbrake hydraulic system.

A. 给轮胎放气。

B. 给轮胎充气。

C. 给机轮充气。

A. 给组件涂上正确的颜色。

B. 用合适的颜色识别组件。

C. 对配件进行颜色编码。

A. 油箱泄压可以参考油箱增压组件的手册。

B. 用油箱增压组件上的手动引气活门给油箱泄压。

C. 手动引气活门可用来为管路加压。

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. 本手册包含提供给飞行员的《联邦航空条例》和制造商提供的额外信息，并构成联邦航空局批准的飞机飞行手册。

B. 本手册包含《联邦航空条例》针对飞行员的相关要求、制造商提供的额外信息，同时也构成联邦航空局批准的飞机飞行手册。

C. 本手册含有《联邦航空条例》规定需提供给飞行员的资料以及制造商提供的额外信息，同时也构成联邦航空局批准的飞机飞行手册。

A. 来自压气机的空气与来自燃油喷嘴的燃油在燃烧室混合。

B. 从压气机出来的空气和燃油在燃烧室混合。

C. 从压气机出来的空气和从燃油喷嘴出来的燃油在燃烧室燃烧。

A. 按手册将外流活门定位到全开位。

B. 外流活门的人工位置是全开位。

C. 将外流活门人工置于全开位。