A、 Maintenance should be accomplished preventively in accordance with the airplane service or maintenance manual.
B、 Appropriate airplane service or maintenance manual shall be developed for the accomplishment of preventive maintenance.
C、 Preventive maintenance should be accomplished in accordance with the appropriate airplane service or maintenance manual.
答案：C
A、 Maintenance should be accomplished preventively in accordance with the airplane service or maintenance manual.
B、 Appropriate airplane service or maintenance manual shall be developed for the accomplishment of preventive maintenance.
C、 Preventive maintenance should be accomplished in accordance with the appropriate airplane service or maintenance manual.
答案：C
A. Do not jar the instruments
B. Do not pivot the instruments
C. Do not shake the instruments
A. The Height and Resolve Height data are shown on the primary flight unit, The Multi function Control and Display unit can be select and read the Resolve Height.
B. The Height and Absolute Height data are displays on the primary flight display, The Multipurpose Control and Display unit can be choose and read the Absolute Height.
C. The Height and Decision Height data are shown on the primary flight display, The Multipurpose Control and Display unit can be select and read the Decision Height.
A. 如果探头互相碰触,它们就会失去磁性
B. 如果两个探头互相接触,它们就会失效
C. 如果探针互相撞击,它们就会被磁化
A. Copy density should be the same throught the page.
B. Copy density must be different throught the page.
C. Density of copy shall be consistent throught the page.
A. 系统中显示由脉冲编码传输而来的信息的部分。包括电话、选择呼叫系统,卫星通信等。
B. 系统中显示由脉冲编码传输而来的信息的部分。包括电报机、选择呼叫系统,呼叫选择系统等。
C. 系统中显示由正弦波编码传输而来的信息的部分。包括寻呼机、选择呼叫系统,呼叫选择系统等。
A. If the pressure decreases quickly, the shear pins in the latch will break.
B. If the pressure reduces gradually, the shear pins in the lock will break.
C. If the pressure drops radically, the alignment pin in the lock will damages.
A. The display annunciates a fault message
B. The display shows a fault message
C. A fault message shows the display
A. Make sure that the bolts are tight.
B. Make sure that the screws are securely installed.
C. Make sure that the bolts are loose.
A. The introduction includes an alphabetical index subject.
B. The introduction should be included in an alphabetical index by subject.
C. An alphabetical index by subject is to be included in the introduction.
A. 当释放液压时活门按顺序打开
B. 当液压被释放后,顺序活门移动到开位。
C. 当液压增压时,要按顺序移动来打开活门。
