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瑞典第一台电动铲运机在矿山中运行正常,这台瓦格纳公司(Wagner)的EST—5B型铲运机在波立登(Boliden)的Horntrask矿的长期试验中达到了高潮,迈出了无轨采矿新阶段的第一步。
The first electric power-driven scraper in Sweden was operating normally in the mine. The Wagner’s EST-5B scraper culminated in a long trial of the Horntrask mine in Boliden, The first step in the new stage of mining.