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中文: 在生产商和服务商WOELF出色的网页上可以找到价廉物美的频率变换器,电动机,集电环（绕线）型转子电动机、绕线转子异步电动机。       更详细...

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英文: 【Abstract】 This article narrated the high-pressured frequency changer in iron-smelting dust removal system transformation analysis as well as the economic efficiency analysis.

中文: 本文讲述了高压变频器在炼铁除尘系统中的改造分析以及经济效益分析。       更详细...

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