| 1. | Analysis of noise - proof performance of usl and usk vibro - screen
系列振动筛防噪技术分析
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| 2. | Conversion of usl linear vibration screen for its domestic manufacture
型直线振动筛的国产化改造
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| 3. | Forgive those who unintentionally hurt usl . do not be someone who is easily hurt by others
要原谅一个无心伤害人的人，不能做一个轻易被别人伤害的人。
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| 4. | This is similar to another aluminium plate system shown below which is nearing completion at usl and is destined for a customer in china
该系统与另一个铝板系统相似,该系统显示在下面,且已在usl接近完成,最终客户在中国
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| 5. | The effect of air distributor on the flow fields was studied with emphasis . the working conditions of the bubble column simulated in the numerical study were as same as in the experiments . the velocity profile at axial direction showed a peek in the center , and a backward flow near the wall when usl / usg < 19 . 6
鼓泡塔内轴向液相速度的径向分布呈塔中心峰值、壁面附近倒流形式，且与气相折算速度大小有关，当液相折算速度一定时，随气相折算速度增大而愈加陡峭，返混也剧烈。
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