A、 When the flaps are at the 30 degree position, install the rigging pin;
B、 Install the rigging pin, since the flaps are at the 30 degree position;
C、 Once the ailerons are at the 30 degree position, install the rigging pin;
答案：A
A、 When the flaps are at the 30 degree position, install the rigging pin;
B、 Install the rigging pin, since the flaps are at the 30 degree position;
C、 Once the ailerons are at the 30 degree position, install the rigging pin;
答案：A
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. 你需要在安装发动机时更换大量零件。
B. 更换发动机时,你可以安装大量部件。
C. 在发动机安装时可能更换大量部件。
A. Only the flow direction arrow on the valve can prevent incorrect installation.
B. A male and female flange are used to prevent the IPCV from incorrect Installation. The flow direction arrow on the valve can not do the same function expect for showing the flow direction.
C. Either the male and female flange or the flow direction arrow can prevent incorrect installation.
A. The specification gives the symbols for relays, diodes, and other parts of the system.
B. The specification gives the requirement for markings on relay, triode and other parts of the system.
C. The specification excludes symbols for relays, diodes, and other system parts.
A. If you do not obey this precaution injury to your skin and lungs can occur.
B. If will damage to your skin and liver unless you follow the cautions.
C. If you understand the instructions, your body will not be hurt.
A. Do external inspection for the lower fuselage.
B. Check the exterior of the lower fuselage.
C. Inspect the exterior of the lowest fuselage.
A. 风扇有自动开关用以保护风扇过热受损。
B. 风扇有保护电门用以防止风扇过度受损。
C. 风扇有热电门用以避免风扇过热受损。
A. Make sure that material and dimensions of the new floor panel are the same with the removed one.
B. Make sure that contour and design the new floor panel have no difference with the removed one.
C. Make sure that the new floor panel has the same contour and dimensions as the removed floor panel.
A. 一般而言,当手册受影响引起总页数变化时,应进行改版。
B. 一般而言,当受影响的手册的总页数较少时,应进行修订。
C. 一般而言,修订后的手册对总页数的影响要尽可能的小。
A. Schematic diagram designers may make a compromise so as to add more details to make the diagram self-explanatory and keep its simplicity at the same time for ease of reading and understanding.
B. In designing schematic diagrams, It may be necessary to pay attention to both detail that is necessary to make the diagram self-explanatory and simplicity that is essential for ease of reading and understanding.
C. Detail makes the diagram self-explanatory. Simplicity makes it easy to read and understand is necessary to consider both of them and make a compromise if needed when designing schematic diagrams.
