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- airborne dust level 空气浮尘水平; 飘尘水平
- That means 4,594 fewer tons of airborne dust each year until at least 2009. 这意味着至少到2009年，每年空气中浮尘每年减少4594吨。
- Microscopic particles of airborne dust settle on metallic portions of contact surfaces. 空气中的细微灰尘会堆积在接触面的金属部分。
- We make the study and application of airborne dust control technology on urban bare land,and shall construct the zone of application and demonstration of sand protection and control technology etc. 城市裸露土地扬尘治理技术研究与应用；防沙治沙技术应用示范区建设等。
- AIRBORNE DUST CONTROLLING IN THE BLENDING YARD 烧结原料场大面积扬尘的控制措施
- Methods for airborne dust measurement in work place 作业场所空气中粉尘测定方法
- floating dust pollution; airborne dust pollution 飘尘污染
- DISCUSSION ON THE CONTROL MEASURES OF SINTERING PLANT AIRBORNE DUST 烧结厂粉尘控制方法的探讨
- Substances are often classified according to the major reaction that they produce, as asphyxiants, systemic toxins, pneumoconiosis-producing agents, carcinogens, irritant gases, or high dust levels. 物质经常被按的主要反应，他们生产，为梗塞性，系统性毒素，尘肺生产剂，致癌物质，刺激性气体，尘埃或高的水平。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Smoking is forbidden until the plane is airborne. 飞机升空时禁止吸烟。
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- I'd like a room on the upper level. 我想要楼上的房间。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- Study and Analysis of the Efficiency on Spray for Suppressing Airborne Dust 喷雾降尘效率的研究与分析
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- PREVENTION OF MATERIAL LEAKAGE AND AIRBORNE DUST AT FEED END OF DRUM MIXER 圆筒混合机进料口漏料及扬尘的防治
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
