ventilating system reformation
...有害气体 通风系统改造 过滤排放 [gap=773]Key words:laboratory; poisonous and harmful air; ventilating system reformation; percolation exhaust ...
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ventilating system reformation
通风系统改造
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The paper introduces the working principle of which frequency control technology is applied in energy-saving reformation for ventilating fan. The frequency control system was designed in detail.
介绍了利用变频调速技术对通风机进行节能改造工作原理及系统设计。
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