Air quality forecast offers another improvement of air quality management following weekly and daily report.

空气质量预报是继周报和日报后城市空气质量管理的又一次飞跃。

youdao

Air draft maintenance, AC spare parts management, technical management and quality control.

航线维护、生产运营、航材储备、技术管理，质量控制等工作岗位。

youdao

Air draft maintenance, AC spare parts management, technical management and quality control.

航线维护、生产运营、航材储备、技术管理，质量控制等工作岗位。

youdao