1630. When the relief valve opens, the pressure decreases

A. 回顾现有的分析结果,确定了安全性能表现较低的部件和区域。

B. 只有对现有的分析结果进行复审,才能发现安全性较低的部件和区域

C. 对现状分析进行审查,以找出可能安全边际较低的部件和区域

A. 转动旋钮开关

B. 旋转按钮开关

C. 转动开关

A. The time between two inspections is not the same on different types of aircraft.

B. The time of inspections is the same on the same type of aircraft.

C. The duration of inspections is depending on the types of aircraft.

A. 建议执行人工修理。

B. 给出人工修理的建议。

C. 建议遵循修理手册执行工作。

A. The rules containing in this specification shall provide a guide to the formatting, type and method of all present documents in the manufacturer＇s maintenance manual.

B. The rules in this specification are served as a guide for the format style and way of representation for all materials contained in manufacturer＇s maintenance manual.

C. The rules contained in this specification shall serve as guides for format, style and method of presentation for all material included in maintenance manuals prepared by manufacturers.

A. Turn the adjuster counterclockwise to make the display brighter.

B. Turn the adjuster clockwise to make the display brighter.

C. Turn the adjuster clockwise to make the display dimmer.

A. Two systems can be energized at a time.

B. Two systems can be engaged at the same time.

C. Two systems can be adopted separately.

A. 扰流板的作用是使机翼上的阻力增加,升力减少从而扰乱流经该机翼上表面的平滑气流。

B. 扰流板的作用是扰乱流经机翼上表面的平顺气流,从而使此机翼上的阻力增加,升力减少。

C. 扰流板的作用是增加机翼上的阻力,造成升力减少,进一步干扰流经该机翼上表面的光滑气流。

A. 本规范将满足适用的政府监管要求

B. 此指令符合适航官方要求

C. 此规范适用于相关政府部门的要求

A. 检查零件是否损坏,然后拆下

B. 拆下零件,检查是否有损坏

C. 检查拆下的零件是否损坏