professional air traffic controllers organization (patco)
Related Translations:
管制: 1.(强制管理) control 短语和例子外汇管制 foreign exchange control; 交通管制 traffic control; 军事管制 military control2.(对罪犯强制管束) put under surveillance 短语和例子管制处分 punishment of control; 管制劳动 labour [work] under
