抽风系统英文怎么说

Mtrcl has advised us that such retrofitting works cannot be advanced as they involve major alterations to the stations , and the tunnel ventilation , air - conditioning and smoke extraction systems . added to the complexity of the works is the need to carry out the works during the non - operating hours between 2 am and 5 am
全封闭外壳与抽风系统，确何良好工作环境。

The test for 2000 - 01 , which was conducted in august 2000 , found that the air quality of a few offices exceeded the guideline levels in respect of carbon dioxide and the total viable count of microbial biological contaminants

Abstract : by means of the comparison and analysis to applications of convertional starter and frequency conversion governor inmine exhauster , a useful and practicable electricity - saving pathof exhaust system was found out , so improving systematic saving operation
（二）会否加强清洁辖下街市的空调及抽风系统；及

Ventilation in the toilet areas shall be enhanced with high headroom , cross - ventilation windows and ventilation system to provide a well - ventilated environment
用"抽风系统"造句  

Li - closed case and ventilation systems , do what good work environment
地铁公司表示由于工程涉及车站及隧道通风系统、冷气系统及抽风系统的重大修改，因此未能提早完成。此外，所有工程只能在非行车时间内即凌晨二时至五时期间进行。

The totally - closed covering and the convulsion system , guaranteeing the good working conditions
公用地方及设施要定期清洗消毒及维修，例如楼梯电梯大堂垃圾房屋宇檐蓬抽风系统等。

It will step up the cleaning work for the air - conditioning and ventilation systems in the markets under its management ; and

Make sure that common facilities such as staircase , lifts , lobbies , refuse collection chambers , canopies and ventilation fans are cleaned , disinfected and maintained regularly
摘要：通过对传统起动器和变频调速器在矿井抽风机的应用进行比较分析，找出一种抽风系统有效、可行的节电途径，以实现通风系统的经济运行。

In september 2001 , the department arranged with the electrical and mechanical services department emsd to adjust the fresh air intake and air balance of its air conditioning and ventilation systems in the revenue tower
全封闭外壳与抽风系统，确保良好工作环境。

Make sure that common facilities such as staircases , lifts , lobbies , refuse collection chambers , canopies and ventilation fans are cleaned , disinfected and maintained regularly . pay attention to food hygiene