working party on air pollution problems معنى
- الفرقة العاملة المعنية بمشاكل التلوث الجوي
كلمات ذات صلة
- working parts معنى
- working party of the conference of european statisticians on the system of national accounts معنى
- working party of the manpower and social affairs committee on the role of women معنى
- working party on accounting standards معنى
- working party on agrarian structure and farm rationalization معنى
- working party on automation معنى
- working party on biotechnology معنى
- working party on coal معنى
- working party on coal trade معنى