设计机构必须批准对修复方案的更改。

A. The air conditioning system keeps the air in the pressurized fuselage compartments at the correct pressure, temperature and freshness.

B. The air conditioning system keeps the air in the pressurizing cabin of the fuselage at the correct pressure, temperature and freshness.

C. The air conditioning system keeps the air in the pressurized cabin of the fuselage at the correct pressurization, temperature and freshness.

A. This procedure is only for repairs that include a very small number of screws.

B. This procedure is only for repairs that include a very small number of nuts.

C. This procedure is only for repairs that include a very small number of rivets.

A. 如果无法安全实施这一机动，应提供不要尝试此机动的警告。

B. 如果一个动作不能安全完成，要有警告不要完成这个动作。

C. 如果不能完成一个动作，要提供一个安全警告。

A. 这并不是所有可能的技术名称的完整列表。

B. 这不是所有可能的技术名称的完成列表。

C. 这不是所有可能的技术员名称的完整列表。

A. Do the procedure to preserve the carbon steel cables.

B. Do the procedure to lubricate the stainless steel cables.

C. Do the procedure for the protection of the carbon steel harnesses.

A. For data about the location of circuit breakers, refer to the wiring list.

B. Refer to the wiring list about the adapters location data.

C. For data about the location of circuit breakers, refer to the wiring diagram.

A. 机翼和发动机载荷取决于最大起飞重量和额定起飞马力以及机翼面积。

B. 机翼和电源负载取决于最大起飞重量和起飞马力评定值以及机翼面积。

C. 机翼和动力载荷决定了最大起飞重量和起飞马力评定值以及受力表面积。

A. Inform the administration of the problem.

B. Announce the problem to the operator.

C. Tell the manufacturer about the problem.

A. 方向舵用于偏航控制，就是控制飞机绕立轴的运动。

B. 方向舵用于横滚控制，就是控制飞机绕横轴的运动。

C. 方向舵用于俯仰控制，就是控制飞机绕纵轴的运动。

A. 描述飞机仪表板时，如果安装了信号通告面板，应说明其操作方式。

B. 描述飞机仪表板时，如安装，应描述警告面板的运行方式。

C. 描述飞机仪表板时，如果安装了通告台板，应说明其操作方式。