左主支气管 [解剖] left principal bronchus ; left main bronchus ; [解剖] bronchus principalis sinister ; primary bronchus

主支气管 principal bronchus ; pricipal bronchi

右主支气管 [解剖] right principal bronchus ; [解剖] bronchus principalis dexter ; right primary bronchus ; right pricipal bronchi

主管支持系统 Executive Information System ; ESS

高层主管支持系统 Executive Support System ; ExecutiveSupportSystemESS

桌面支持主管 Desktop Support Supervisor ; Help-Desk supervisor

前台支持主管 front office support supervisor

气管和主支气管 trachea and primary bronchus

应用支持主管 IT Application Supervisor

后台支持主管 back-office support supervisor