Primary engine parameters and crew alerting messages are displayed on the upper display unit and secondary engine parameters are displayed on the lower display unit. The above sentence means "主要发动机参数和机组警告信息在下面的显示装置上显示,辅助发动机参数在上面的显示装置上显示".
A.1正确答案B
Primary engine parameters and crew alerting messages are displayed on the upper display unit and secondary engine parameters are displayed on the lower display unit. The above sentence means "主要发动机参数和机组警告信息在下面的显示装置上显示,辅助发动机参数在上面的显示装置上显示".
A.1正确答案B
