一辆吉普车拖着一股扬尘，朝我疾驰而来。
A jeep trailing a cloud of dust was speeding in my direction.
汽车在一片扬尘的涡流中不见了。
扬尘浓度主要受降雨和湿度的影响。
The concentrations of fugitive dust are affected by precipitation and humidity.
其所排放的主要污染物是扬尘。
The main pollutant emitted from open sources is resuspended dust.
严禁使用，至少在空气质量差的那几天，会产生扬尘。
图为郑婆婆端着大簸箕扬尘，动作娴熟又轻松。
Zheng shakes dust out of a large dustpan. Her skillful movements make it look easy.
其具有排放量大、占地面积大、易扬尘等特点。
It has the characteristics of large quantities, occuping large area and dusting.
噪声和扬尘污染是城市建筑施工中的主要环境问题。
The noise and dust pollution are the major problems at the building construction site in city.
我遥望他们在峭壁上骑行，前灯穿透团团扬尘和暮霭，我开始数数。
I watched them ride along the corniche, headlights blazing through the swirling dust and the fading light. I started counting.
道路扬尘中高速路和环路细小颗粒物较主路和非主路高。
As for road dust, the fine particles from speedway and circle road were much than from main road and non-main road.
做好环卫工作，与本工程无关的扬尘污染源禁止带入工地；
Environmental sanitation shall be well kept. Dust pollution sources irrelevant to this project are not admitted to this site.
反电晕和二次扬尘是提高电除尘器的除尘效率所面临的两大难题。
The discorona and re-entrain dust are two key issues to improve the efficiency of the electric precipitator.
与本地扬尘相比，外来入侵沙尘可使叶面颗粒物附着密度较大增加。
Compared with the local dust, extraneous dust made the particulates density on leaves increased greatly.
缺点是干燥矿粉的制备、运输和加工过程中会产生扬尘，造成环境污染。
The transportation and treatment of dry ore powder will produce dust and pollute the environment.
符合NEMA3—室外，具有一些针对扬尘，雨或雨夹雪的保护利用。
NEMA 3 - Outdoor use with some protection against windblown dust, rain or sleet.
减少各种尘土进入道路和进行道路清扫是控制交通扬尘污染的主要措施。
Reducing the silt entrance to the paved road and sweeping the road are the main measures of road dust controlling.
渣土车遗撒问题和车辆带起的扬尘飞扬，也是空气污染物的主要来源之一。
Muck truck Yisa problem and the vehicle with the dust flying, is also one of the main sources of air pollutants.
《公路边的民居》汽车长期碾压公路的扬尘，已经蒙蔽了古民居原来的秀美。
Folk houses by the road the dust caused by passing cars has covered the natural beauty of ancient folk house.
目的确定影响道路人工清扫过程扬尘大小的因素之间关系及排放因子量化模型。
Aim to analyze the relations of factors affecting the fugitive dust during road sweeping and bring up calculative models of discharging divisors.
颗粒物是北京市大气污染的首要污染物，其中交通扬尘对颗粒物浓度的贡献较大。
Particulate matter, a large proportion of road dust, is the chief pollutant of atmosphere pollution in Beijing.
分析了乌鲁木齐市扬尘的来源及污染现状，并针对不同扬尘源提出污染防治对策建议。
The paper analyzes dust source and pollution actuality and brings forward prevention and cure countermeasure to different dust source.
电除尘器内电场断面烟尘浓度呈非均匀性分布，它是产生振打二次扬尘的重要原因之一。
The dust concentration distribution on the electric field section in ESP is not uniform, this is one of reasons to produce secondary blowing dust.
在二重源解析技术基础上，改进了扬尘对受体贡献值的计算方法，并对结果进行了验证。
Based on the improved-source-analysis technique, the method calculating the contribution value of suspension dust on the receptor was amended and the results were tested and verified.
同时进行了地面起尘因子与城市空气总悬浮颗粒物(TSP)中扬尘浓度的相关性研究。
And the relativity of ground particulate emission factor and the concentration of resuspended particulate in total suspended particulate (TSP) was studied.
符合NEMA4x—室内或室外使用一些防腐蚀，扬尘和雨水，飞溅水或软管直接保护。
NEMA 4x - Indoor or Outdoor use with some protection against corrosion, windblown dust or rain, splashing or hose directed water.
机动车行驶过程道路扬尘是城区颗粒物污染的主要因素，其贡献率可达30% ~ 50%。
The contribution rate of the road dust to particulate concentration in the urban area is 30% ~ 50% during motor vehicle running.
机动车行驶过程道路扬尘是城区颗粒物污染的主要因素，其贡献率可达30% ~ 50%。
The contribution rate of the road dust to particulate concentration in the urban area is 30% ~ 50% during motor vehicle running.
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