339、确保新地板面板的构型和尺寸与已拆下的相同

Make sure that material and dimensions of the new floor panel are the same with the removed one.

Make sure that contour and design the new floor panel have no difference with the removed one.

Make sure that the new floor panel has the same contour and dimensions as the removed floor panel.

正确答案：C

849、In the alternative, the acronym CAP may be used

848、If you do not safety the door it is possible that strong winds will cause damage to the structure.

847、If you can not engage the rod and the piston, the length of the new rod is possibly incorrect

846、If this maneuver cannot be performed safely, a warning against attempting it shall be provided.

845、If the RAT is retracted, slowly and fully extend the RAT and make sure that it does not touch other parts.

844、If the format parameter or rule is inappropriate to the type of airplane, equivalents likely to achieve the same Objectivesmay be used

843、If the error is more than 5deg, calibrate the compass.

842、If possible, always tell your reader what can occur if the safety instruction is not obeyed.

841、Hydraulic fluid is dangerous for your eyes.

840、Extend and retract the actuator through three full cycles.