A、 发动机系统包含元件和部件用于控制和改变润滑剂在发动机入口和出口的流动。
B、 发动机系统包含控制和引导润滑油从进口流向出口的组件和部件。
C、 润滑剂靠发动机的元件和部件的控制和引导在发动机里产生流动。
答案：B
A、 发动机系统包含元件和部件用于控制和改变润滑剂在发动机入口和出口的流动。
B、 发动机系统包含控制和引导润滑油从进口流向出口的组件和部件。
C、 润滑剂靠发动机的元件和部件的控制和引导在发动机里产生流动。
答案：B
A. Solenoid valves shall be shown with a notation.The notation indicates the spring is loaded by the valve to the open or closed position.
B. Solenoid valves shall be shown with a symbol.The valve indicates whether the valve is spring- loaded to the open or closed position.
C. Solenoid valves shall be shown with a mark.The mark indicates whether the valve is spring- loaded to the open or closed position.
A. This step is applied to primer layer only.
B. This step can be only applied when the top is painted.
C. This step is applicable only when you apply the top layer of paint.
A. 辅助结构包括前缘、后缘、翼尖、翼尖油箱和燃油或水单元隔板,不包括镀层/蒙皮。
B. 辅助结构包括前缘、后缘、翼尖、翼尖油箱和燃料或水电池背板,不包括板/皮。
C. 辅助结构包括前缘、后缘、翼尖、尖端燃料箱和燃料或水电池背板,不包括板/蒙皮。
A. If you find metal particles in the reservoir,find their source and repair the broken part.
B. If you find metal particles in the pump,find their source and repair the defective part.
C. If you find material particles in the pump,find their source and repair the damaged part.
A. 全推力情况下,刹车必须能够防止飞机移动。
B. 在最大推力下,制动器必须防止飞机摆动。
C. 在全推力情况下,刹车必须防止飞机启动。
A. 接通液压时应确保手柄未接触止动点。
B. 液压释压时,确保手柄未触碰到止动点。
C. 使用液压时应确保控制手柄持续移动。
A. 单词在英语中通常有许多不同的意思。
B. 词组在英语中通常有许多难的意思。
C. 单词在英语中通常有许多难的含义。
A. The condition lever is the primary control for start and stop the engine.
B. The condition lever is the minor control for starting and stopping the engine.
C. The condition lever is the primary control for starting and stopping the engine.
A. 灯泡带来了一盏灯。
B. 这灯发出微弱的光。
C. 这灯发出了亮光。
A. Because the inflation tests and material inspections can identify and condemn rafts which have more than minor installation defects,rafts which pass the tests and inspections may be in servicefor a period time with no fixed limit.
B. As the inflation tests and material inspections can affirm and declare the minor installation defects of the rafts,rafts checked by tests and inspections may come into service with no definition.
C. Rafts succeed in tests and inspections may keep the service indefinitely from a time that the inflation tests and material inspections identified and announced the rafts with many minor installation defects.
D. C.Rafts succeed in tests and inspections may keep the service indefinitely from a time that the inflation tests and material inspections identified and announced the rafts with many minor installation defects.
