全封闭式

totally enclosed type

管理

management; administration; control; supervision; handling; governance; stewardship; direction; rule; regulation; running; policing; government; admin; charge; conduct; engineering; manage; administer; run; keep; direct; oversee; supervise; govern; operate; work; organize; regulate; curate; police; superintend; managerial; administrative; controlled; governing; executive; regulatory; operating; supervisory; in charge