支线机场设施设备包括（）等

29.This figure showsthe structure of the system

28.Do an inspection of the adjacent area.

27.Remove and discard the cotter pins and the nuts

26.Youcanstop the startingsequence at any time.

1、The computer controls compressor airflowsto prevent stall.

24.Remove the sealant with a blunt scraper

23.Bleed the system before you disconnect thecomponents.

22.Do not loosen the nut to alignit.

21.Database synchronization is in progress

20.Install the valve and the correct gasket.