A、 At the manufacturer's option, static pressure systems description and discussion may be combined with Paragraph 7.49, Pitot Pressure Systems.
B、 The manufacturer could combine the description and discussion of the dynamic pressure systems in Paragraph 7.49, Pitot Pressure Systems.
C、 The manufacturer decides to insert static pressure systems description and discussion into Paragraph 7.49, Pitot Pressure Systems.
答案:A
A、 At the manufacturer's option, static pressure systems description and discussion may be combined with Paragraph 7.49, Pitot Pressure Systems.
B、 The manufacturer could combine the description and discussion of the dynamic pressure systems in Paragraph 7.49, Pitot Pressure Systems.
C、 The manufacturer decides to insert static pressure systems description and discussion into Paragraph 7.49, Pitot Pressure Systems.
答案:A
A. 垂尾顶部安装有垂直安定面。
B. 机身后段顶部安装有垂尾。
C. 垂直安定面安装在机身尾段顶部。
A. 机组能用飞行指令需求来控制飞机的姿态。
B. 机组能用飞行指引指令来控制飞机的高度。
C. 机组能用飞行指引指令来控制飞机的姿态。
A. Vigorously scrub the surface with a rough, dry cloth.
B. Polish the surface with a soft, damp cloth.
C. Rub the surface quickly with a soft, dry cloth.
A. 确保维修飞机时不要撞到勤务箱。
B. 确保勤务车不要撞到飞机。
C. 确保勤务柜不要放在飞机的旁边。
A. Ground service bus has no power, but the external power can be supplied.
B. Ground service bus is not energized with external power.
C. Ground service bus is power off when external power is supplied.
A. 在有液压的飞机上,座舱空气的分配是由一系列管路实现的,管路连接到液压源遍及整个座舱。空气被引导到飞机顶板的通风口并从那里释放出来.
B. 在有座舱增压的飞机上,座舱空气的分配是由一系列管路实现的,管路连接到增压空气源遍及整个座舱。空气被引导到飞机顶板的通风口并从那里释放出来.
C. 在有液压的飞机上,座舱空气的分配是由一系列管路实现的,管路连接到增压空气源遍及整个座舱。空气被引导到飞机顶板的通风口并从那里释放出来.
A. The engine and all additional facilities use indifferent lubricants.
B. The engine uses multiple types of lubricants for different purposes.
C. The engine and all auxiliary equipment use the same lubricant.
A. 标题页的背面应留白,以避免有可能漏插飞机序列号和注册号而需要修改。
B. 标题页的背面应保留空白,以避免需要修改以及有可能遗漏插入飞机的序列号和注册号。
C. 标题页的背面应保持空白,从而不用改版,也可以避免有可能漏插飞机序列号和注册号。
A. Visual difference is acceptable between the previous surface and the new surface.
B. There should be no visual difference between the initial surface finish and the new surface finish.
C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.
A. 在安装座椅之前先安装坐垫。
B. 座椅安装在坐垫的前面。
C. 在安装座垫之前先安装座椅。