A、 当单向活门打开时,压力降低。
B、 当释压活门打开时,压力增加。
C、 当释压活门打开时,压力降低。
答案：C
A、 当单向活门打开时,压力降低。
B、 当释压活门打开时,压力增加。
C、 当释压活门打开时,压力降低。
答案：C
A. 两个关断螺栓是可调节的。
B. 两个止动螺栓是可校准的。
C. 两个止动螺栓是可调节的。
A. 接地电缆字母N应用作电线识别码的标识,以识别完整的接地电网中的任何电线或电缆;
B. 接地电缆字母N应用作电线识别码的后缀,以识别完成接地电网的任何电线或电缆;
C. 接地电缆字母N应用作电线识别码的,以识别完成接地网络电路的任何电线或电缆;
A. Do not exceed this speed with undercarriage retracted.
B. Do not exceed this speed with landing gear retracted.
C. Do not exceed this speed with undercarriage extended.
A. The section of the engine which contains the propeller shafts and reduction gears. Includes items such as drives for nose mounted accessories, etc.
B. The section of the engine which contains the propeller shafts and reduction gears. Excludes items such as drives for nose mounted accessories, etc.
C. The section of the engine which contains the propeller shafts and engine gears. Includes drives for nose mounted accessories, etc.
A. I remember the whole thing for it happened yesterday.
B. I remember the whole thing as if it happened yesterday.
C. I remember the whole thing similar it happened yesterday.
A. Procedures shall be omitted for coping with cases of smoke and/or fire in the cabin or from an engine in the following fight segments.
B. Procedures shall be provided for accompany with cases of smoke and/or fire in the cabin or from an engine in the following flight sectors.
C. Procedures shall be provided for coping with cases of smoke and/or fire in the cabin or from an engine in the following flight phases.
A. 盖子朝下的时候,是开关在开位的一种保护。
B. 封面在下面的时候,是开关在开位的保险。
C. 盖子朝下的时候,是开关在开位的保险。
A. The installation angle of the horizontal stabilizer can be adjusted.
B. Incidence of the horizontal stabilizer is variable.
C. You can adjust the incidence of the horizontal stabilizer.
A. Pressurization of the pneumatic crossover manifold and use of an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance is the second method.
B. You can use the second method to pressurize crossover manifold and use an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.
C. The second method is that it is not necessary to pressurize the pneumatic crossover manifold but to use an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.
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。
