A、 Loosen the cross nuts [10] on reducer [7] and standby valve [8] on each end of air pressure filter assembly [1].
B、 Loosen the swivel nuts [10] on reducer [7] and bypass valve [8] on each end of air pressure filter assembly [1].
C、 Loosen the cotter nuts [10] on reducer [7] and bypass valve [8] on each end of air pressure filter assembly [1].
答案：B
A、 Loosen the cross nuts [10] on reducer [7] and standby valve [8] on each end of air pressure filter assembly [1].
B、 Loosen the swivel nuts [10] on reducer [7] and bypass valve [8] on each end of air pressure filter assembly [1].
C、 Loosen the cotter nuts [10] on reducer [7] and bypass valve [8] on each end of air pressure filter assembly [1].
答案：B
A. 将飞机速度除以侧风分量来得到修正。
B. 用侧风分量除以飞机速度，得到修正值。
C. 将侧风部件和飞机分开，来得到正确的速度。
A. The cover title shall be "Pilot＇s Operating Handbook" or "Polit＇s Operating Handbook and FAA Approved Airplane Flight Manual."
B. The name of the book might be "Pilot＇s Operating Handbook" or "FAA Approved Airplane Flight Manual."
C. The cover could be named as "Pilot＇s Operation Instruction" or "Pilot＇s Operation Instruction and FAA Approved Airplane Flight Instruction."
A. Oxidation occurs very easily.
B. Oxygen occurs very easily.
C. Nitrogen occurs very easily.
A. Apply a layer of sealant on the top access panel.
B. Apply a layer of solvent on the top access panel.
C. Apply a layer of sealant on the bottom access panel.
A. 对于小部分飞机设计、操作或操纵特性所特有的紧急情况，应提供安全操作所必需的应急程序和其他相关信息。
B. 对于特定飞机设计、操作或操纵特性所关注的紧急情况，应提供安全操作所必需的应急程序和其他相关信息。
C. 对于特定飞机设计、操作或操纵特性所特有的紧急情况，应提供安全操作所必需的应急程序和其他相关信息。
A. Manufacturers would like to reserve and exercise the right to make reasonable judgments about the depth and scope of the contents of their publications.
B. Manufacturers are requested to reserve and exercise the right to judge contents of their publications of reasonable depth and scope.
C. Manufacturers are required to reserve the right of sound judgment on the contents of their publications by the bureau.
A. 校正空速是指经过位置调整以及仪表调整后的指示空速。
B. 校准空速指修正了仪表误差和位置误差之后得到的指示空速。
C. 校准空速是指调节位置误差以及仪表误差后的指示空速。
A. 当前的服务通告清单是人工编制的。
B. 目前的服务通告清单在手册级别编制。
C. 正式的勤务通告单由人工搜集。
A. Make sure that the circuit breaker is closed.
B. Make sure that the circuit breaker is opened.
C. Make sure that the pushbutton is pressed.
A. The function of the portable water system is to store and send drinking water to the passengers.
B. The potable water system must keep and transfer the water to the toilet for washing only.
C. The purpose of the drinking water system is to store and deliver the water for drinking.
