A、 This issue has not yet been fully found.
B、 This issue has not yet been thoroughtly explored.
C、 This issue has not yet been widespreadly explored.
答案：B
A、 This issue has not yet been fully found.
B、 This issue has not yet been thoroughtly explored.
C、 This issue has not yet been widespreadly explored.
答案：B
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. This document and the applicable airplane maintenance manual (s) complement each other.
B. This document may supplement the aircraft maintenance manual (s) as appropriate.
C. This document is explanation to the airplane maintenance manual(s).
A. 检查密封件是否有缺陷
B. 检查密封胶是否有
C. 检查封严是否有
A. Examine the doorstop fittings for cracks and corrosion.
B. Examine the doorstop fittings for dent and corrosion.
C. Examine the doorstop fittings for cracks and nick.
A. 双环路系统按照机组的要求执行回路切换和决断功能,当驾驶舱出现故障指示时,该功能被称为自动自询;
B. 当驾驶舱出现故障指示时,双环路系统自动执行本应由机组作出的回路切换和决断功能,该功能被称为自动自询;
C. 当驾驶舱出现故障指示时,双环路系统自动执行机组所需的回路开关和判断功能,该功能被称为自动自询;
A. 用干净的棉布浸湿水后清除除污剂。
B. 用清水浸湿并清洗带有洗涤剂的干净棉布。
C. 用干净的棉布清除污渍,再用清水洗涤。
A. Install a new gasket on the flange.
B. Install a new washer on the fixture.
C. Install a new basket on the fitting.
A. 当有金属碎片时,必须检查临近的泵。
B. 当发现金属痕迹时,必须检查所有的泵。
C. 当发现金属碎屑时,必须检查相应的泵。
A. The APU fire alarm system accumulates the same fire alarm in the flight deck as in the engine.
B. The APU fire warning system actuates the same fire warning in the flight compartment as the engines.
C. The APU fire warning system activates the same fire warning in the cockpit as for the engines.
D.
E.
F.
G.
H.
I.
J.
解析：
A. Assure that you do not do the adjacent control
B. Make sure that you do not operate the adjacent control
C. Ensure that the adjacent control will be operated
