您要查找的是不是：
- It also provides for the control of activities that might lead to asbestos dust emissions. 该条例也管制可能产生石棉尘屑的活动。
- A regulation to control dust emissions from construction works was enacted and implemented in June 1997. 当局已于一九九七年六月通过并实施规例，管制建筑工程散逸的尘屑。
- Dust emission inventory of few open source can be evaluated now. 但目前只有少数的开放源类起尘量可以进行估算。
- The material is broken down into small particles, through Puchuangdiepi, cleaning the house, and other activities, dust emissions, allergies after inhaling the constitution to have a hypersensitivity. 上述物质被分解为微小颗粒，通过铺床叠被、打扫房屋等活动，使尘埃飞扬，过敏体质者吸入后产生超敏反应。
- It provided the motivation for controlling smoke and dust emission from industrial plant. 这为控制工厂企业散发的烟尘起了促进作用。
- The purpose of CCHS is to reduce the SO 2 and dust emission and satisfy the EPS claim. CCHS技术的目的是降低二氧化硫、烟尘的污染，达到环保标准。
- Land melioration, such as a change in the land surface type from desert or semi-desert to grassland, restrains the dust emission significantly. 中国西北沙漠-半沙漠区地表的改善，可引起整个中国北方至蒙古国的大气粉尘含量减少，使大气环境明显改善。
- The low dust collecting efficiency of ESP system of clinker kiln results in that dust emission concentration exceeds permissible standard. 氧化铝熟料窑电收尘系统收尘效率低,导致烟尘排放浓度超标。
- The false-color view highlights a component of dust emission from complex carbon molecules called polycyclic aromatic hydrocarbons or PAHs. 这张假色图像突出了尘埃的一种成分，它从一种被称为多环芳烃或多环芳香烃化合物组成的合成物中发射出来。
- It make use of sealing device for the hopper to prevent dust emission and material leakage. The dust and cross contamination are efficiently controlled. 料桶配置密封装置，锁紧可靠，工作时不扬尘，不泄漏，有效的控制了粉尘和交叉污染。
- The dust emission of a metallurgic plant in Shanghai, as an example with 13 sets of smelting furnace and large amounts of discharged pollutant, was studied in this paper. 以上海市某冶金企业为例,该厂有正常运行的冶炼炉13座,每年向大气中排放大量颗粒污染物。
- 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。
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- How many enemies bit the dust in the battle? 在这次战斗中打死了多少敌人？
- The city lay in the dust after the battle. 战斗结束后，全城成为废墟。
- The dust on the shelf show up in the sunlight. 在阳光照射下能看见架子上有灰尘。
- He flicked away the dust with a cloth. 他用一块布拂去灰尘。
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
