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| 1. | The experime nt results show that the total efficiency and the flowrate are improved with the increase |
| 实验结果表明，适当增大进气口面积，可提高风机的效率并扩大流量范围。 |
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| 2. | Double nylon dedusting -roller, attached with strong blower. ensures a powerful dedusting ability . |
| 双除尘尼龙刷辊，并俯有强力吹风机，除尘效果更加强劲。 |
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| 3. | It uses four drying blower fans with the characteristics of low noise and high air quantity. |
| 采用四个干燥风机，具有低噪音、高风量的特点。 |
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| 4. | ventilation facilities and air filtration purification equipment , It is enterprises producing the air blower |
| 广东省云浮市恒宝通风设备有限公司（原云城风机厂）专业生产环保型通风设备和空气过滤净化设备，是本地区生产风机历史最早的企业。 |
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