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参加展出的潜水电泵公司有西德的里茨(RITZ)公司、丹麦的格隆德福斯(GRUNDFOS)公司、意大利的卡普拉利(Caprari)公司和瑞典的飞力(Flygt)公司。这四家公司中除瑞典一家生产干式潜水电机、作业面和污水潜水泵以外,其他三家公司均生产用于深井中的潜水电泵,其电机是充水湿式的。西德的这家公司还生产大流量大功率的矿用潜水电泵,丹麦和意大利的两家公司还生产长轴式深井泵。
The submersible pump companies participating in the exhibition include RITZ in West Germany, GRUNDFOS in Denmark, Caprari in Italy and Flygt in Sweden . Of the four companies, except Sweden, which produces dry-type submersible motors, work surfaces and sewage submersible pumps, the other three companies produce submersible pumps used in deep wells, and their motors are water-filled and wet. West Germany’s company also produces large-capacity, high-power mine submersible pumps, and two companies in Denmark and Italy also produce long-shaft deep well pumps.