A.艙頂設(shè)計(jì)壓力>100Kpa B.艙頂設(shè)計(jì)壓力≥70Kpa C.艙頂設(shè)計(jì)壓力>70Kpa D.艙頂設(shè)計(jì)壓力>60Kpa
A.艙頂設(shè)計(jì)壓力>70Kpa B.艙頂設(shè)計(jì)壓力≤70Kpa C.艙頂設(shè)計(jì)壓力≥50Kpa D.艙頂設(shè)計(jì)壓力≥280Kpa
A.絕對(duì) B.表壓 C.相對(duì)