A、 在密封的零件表面涂抹磷酸酯基液压油。
B、 在接触封严的零件表面涂抹矿物液压油。
C、 在零件与封严相连接的地方涂抹液压油。
答案：B
A、 在密封的零件表面涂抹磷酸酯基液压油。
B、 在接触封严的零件表面涂抹矿物液压油。
C、 在零件与封严相连接的地方涂抹液压油。
答案：B
A. The operator may use any format containing the same information.
B. The operator may use an equivalent form containing the same information.
C. The operator may use a diagram containing the same information.
A. 门是由基础复合材料增强塑料制成的。
B. 门是由碳纤维复合塑料制成的。
C. 门是由碳纤维增强塑料制成的。
A. 在安装座椅之前先安装坐垫。
B. 座椅安装在坐垫的前面。
C. 在安装座垫之前先安装座椅。
A. Those units and components include alcohol pump, valves, alcohol container, propeller anti-icing system, wing warmers, water line warmers, pitot warmers, scoop warmers, windshield wipers and the electrical anti-icing and heated air ice control. Does not include the basic windshield panel.
B. Those units and components include alcohol pump, valves, tanks, propeller anti-icing system, wing heaters, water line heaters, pitot heaters, scoop heaters, windshield wipers and the electrical and heated air portion of windshield ice control. Does not include the basic windshield panel.
C. Those units and components include alcohol pump, valves, tanks, propeller anti-icing system, wing heaters, plumbing heaters, air speed tube heaters, intake heaters, windshield wipers and the electrical and heated air ice control for windshield. Does not include the basic windshield panel.
A. 确保指示灯点亮后叶片展开。
B. 确保叶片打开时指示灯点亮。
C. 确保叶片展开的过程中指示灯点亮。
A. Turn ADF 1 to unknown frequency.
B. Tune ADF 1 to a known frequency.
C. Tune VOR 1 to a known channel.
A. 竖版页面比横版页面更适合所有类型的出版物。
B. 水平页面比垂直页面更适合所有类型的出版物。
C. 垂直页面比水平页面更适合所有类型的材料。
A. Those units and components are responsible for storing and delivering fuel to the turbines system, including engine-driven fuel pumps, fuel tanks (airbags), valves, booster pumps, etc. and provide components for dumping fuel overboard.
B. Those units and components are used to store and deliver fuel to the engine, including engine-driven fuel pumps, integral tanks (bladder), valves, boost pumps, etc., and those components which furnish a means of in-flight fuel dumping .
C. Those units and components are designed to store and deliver fuel to the gas engine system, including engine-driven fuel pumps, fuel tanks (airbags), valves, booster pumps, etc. and units to pour fuel to the air.
A. 飞机燃油系统从中央或主油箱提供增压的燃油。
B. 飞机燃油供应系统给来自中央或主油箱的燃油增压。
C. 飞机燃油系统提供燃油，这些燃油是从中央或主油箱增压的。
A. It＇s not easy to install more than two washers for each bolt.
B. It is forbidden to install more than two washers for each bolt.
C. Installing one washer for each bolt is forbidden.
