来源:央视新闻客户端
在中国南极科考中,液压挖掘机是破雪除冰的得力干将。这些钢铁巨臂,不仅需在狂风中稳定作业,也需在厚雪中被瞬间“唤醒”,随即投入高强度施工。南极科考站的国产挖掘机如何能在零下40摄氏度做到“1秒启动”?戳视频了解→
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