为了收集正确的数据和防止根据清洁空气法和其他法规进行任意处罚，家禽养殖户正赞助从事排放物调查的国家研究所。
To gather proper data and fend off arbitrary penalties under the Clean Air Act and other laws, livestock producers are now paying for a national study of emissions.
方法对使用石煤的分布范围进行调查，测定石煤及使用石煤户居室空气中的氟砷含量。
Methods to investigate the distributing scope of coal-burning area and to mensurate the content of fluorin and arsenic in coal and resident air of coal-burning room.
下个月将公布对50 户家庭的室内空气测试调查结果。
Next month the results of a 50-home indoor air testing study will be released.
方法分不同地点、不同时间测定15户居室装修后空气中甲醛浓度，同时设立对照房间。
Formaldehyde concentration in the air of 15 newly-decorated rooms were detected according to different places and times, meanwhile, a control room was also set up and detected.
本文通过分析采暖系统中的空气的来源，提出空气在系统中的危害，针对单户计量系统中水平管坡度较小，提出水平支管中水流速应保持较大。
This paper analyzes air source in heating system, states that gas is harmful in the system, points out level pipe gradient being small in single measure system, and velocity of flow must keep great.
一个家传户晓的名字，最为人所认识就是它以制造飞机的技术，设计与制造汽车，并且利用这项技术使汽车达到最佳的空气力学。
Saab is a household name, best known for incorporating aero technology and design into automobile manufacturing to achieve the best result in aerodynamics.
一个家传户晓的名字，最为人所认识就是它以制造飞机的技术，设计与制造汽车，并且利用这项技术使汽车达到最佳的空气力学。
Saab is a household name, best known for incorporating aero technology and design into automobile manufacturing to achieve the best result in aerodynamics.
应用推荐