A、 Use the clean solvent again to leave the oils on the surface.
B、 If necessary, clean the oils by applying clean solution.
C、 Remove the oils, if necessary, by applying clean solvent again.
答案:C
A、 Use the clean solvent again to leave the oils on the surface.
B、 If necessary, clean the oils by applying clean solution.
C、 Remove the oils, if necessary, by applying clean solvent again.
答案:C
A. Static discharger attached to the flight control surface is used to discharge static electricity which builds up as air flows across the surface.
B. Static discharger attached to the aircraft fuselage is used to discharge static electricity which builds up as air flows across the surface.
C. Static discharger attached to the flight control surface is used to discharge direct current electricity which builds up as air flows across the surface.
A. 在接近跑道过程中,偏差指针在航向指示器上显示飞行员正在朝哪个方向飞行。
B. 在接近跑道过程中,飞行员必须朝着航向指示器偏航指针的方向飞行。
C. 在接近跑道过程中,航向指示器的偏差指针向飞行员显示飞机必须向哪个方向飞行。
A. The closed door prevents airflow from entering the compartment and may cause death because of no air to breathe.
B. When the access plate is closed, the lack of ventilation of the compartment brings a risk of suffering injury.
C. If you close the opening, the airflow can not enter into the compartment and creates a risk of jam.
A. 液压系统给作动筒提供作动力。
B. 液压系统为作动筒提供动力。
C. 液压系统供电给作动筒。
A. 如果转子多次停止,检查摄入量是否超标。
B. 如果转子突然停止,检查进气口是否有多余物质。
C. 如果转子突然停止,检查摄入物质是否过多。
A. Check all parts with clear defects in accordance with standard industry practices.
B. Check all parts for visible defects in accordance with standard industry practices.
C. Check all parts for serious defects in accordance with standard industry practices.
A. 这表明你可以安装一个替代的继电器
B. 这表明你可以安装一个新的继电器
C. 这表明你可以更换一个新的继电器
A. Increase pressure continuously over 10 minutes.
B. Keep the pressure increase within 10 minutes.
C. Continue the pressurization for 10 minutes.
A. Your skin and lungs can be protected.
B. Your skin and lungs can be harmed.
C. Your skin and lungs can be harmed suddenly.
A. 时刻是一个项目的重量和它的手臂的乘积。
B. 力矩是一个项目的重量除以它的力臂的产物。
C. 力矩是一个项目的重量乘以它的力臂的乘积。