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- dust source enclosure 尘源密闭
- The paper analyzes dust source and pollution actuality and brings forward prevention and cure countermeasure to different dust source. 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 cement mill main dust source;s dust-concentration and net filtering wind velocity of the pulse spay-blow bag dust-precipitator suggestiong value. 水泥厂主要尘源点的含尘浓度和脉冲喷吹袋式除尘器的净过滤风速建议值。
- Moreover, the Angstrom exponent tends to be lower, indicating that the ratio of larger particles increased. So it is necessary to enhance the dust source harnessing. 而春季气溶胶光学厚度则在近2年有明显增加;源自沙尘天气;且Angstrom指数亦变小;表明大粒子比例增加;因此需要加强对沙尘源的治理.
- The arid and/or semiarid region in the middle and west parts of the Tibetan Plateau may be a potential dust source for the aeolian deposit of the northeastern Tibetan Plateau. 位于高原季风与东亚季风交汇区的湟水流域风尘堆积物可能有一部分来源于青藏高原中-西部干旱地区的风化细粒物质。
- Sublevel Mechanized caving method shows the characteristics of high out-put,more dust sources,high dust concentration and difficult to control. 煤矿综采放顶煤工作面开采强度大、产尘尘源多、粉尘浓度高，因而对尘毒的治理难度大。
- Dust source control of belt transporter 皮带运输机的粉尘源控制
- However, 70 X 104 km2 of grassland became sources of sand dust because of soil wind erosion, which account for 30.4% of all sand dust sources, and 38% of all grassland in China. 但有近75万km~2的草地发生风力侵蚀并为沙尘暴提供物质来源，占总物质来源地的30.;4%25，占全国草地面积的38%25。
- The news comes from a reliable source. 这消息来自可靠的来源。
- 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。
- Analyzing the treatment of different dust sources and bringing forward treatment measure, accordingly the concentration of exhausted and position dust is decreased effectively during the open bauxite mine producing. 针对各产尘源的治理进行了分步分析,提出了治理措施,从而有效降低了铝土露天矿山生产过程中外排及岗位粉尘浓度。
- 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。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
