In 2010 the museum of Nakhodka presented its third project called museum on Rollers that won another grant of a Russian charitable fund.
2010年，纳霍徳卡博物馆展示了它的第三个项目：滚轴博物展，并且获得了俄罗斯慈善基金会的另一项拨款。
The features of frequency inversion and speed regulation technology were introduced. Its application in water supply project and house construction and energy saving effect were presented.
介绍了变频调速技术的特点。分析、比较并列举了变频调速技术在工业和民用领域中的几个应用实例。同时，也描述了他们的性能及节能效果。
The features of frequency inversion and speed regulation technology were introduced. Its application in water supply project and house construction and energy saving effect were presented.
介绍了变频调速技术的特点。分析、比较并列举了变频调速技术在工业和民用领域中的几个应用实例。同时，也描述了他们的性能及节能效果。
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