Due to the epidemic, the new machine was used for the first time. The predicted problem is that the pressure line on the main driver's side is invisible or dominant.
Due to the outbreak, the new machine was first put on the aircraft, the predicted problem is that the main driving side pressure line is invisible or explicit bias
Due to the epidemic situation, when the new machine is used for the first time, the predicted problem is that the pressure line on the main driving side is invisible or dominant<br>