The noise produced by Roots blower was effectively reduced with advanced noise control techniques in the coal washing plant of Fenghuangshan Mine.
介绍了凤凰山矿洗煤厂罗茨鼓风机房内外采用先进的噪声控制技术，有效地降低了罗茨鼓风机及周围的环境噪声。
The noise produced by Roots blower was effectively reduced with advanced noise control techniques in the coal washing plant of Fenghuangshan Mine.
介绍了凤凰山矿洗煤厂罗茨鼓风机房内外采用先进的噪声控制技术，有效地降低了罗茨鼓风机及周围的环境噪声。
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