以下为句子列表：
英文: Abstract: The development, structure performance and new te chnology application of such large-scale open pit loading equipment as elect ric shovel, hydraulic excavator and wheel loader were described.
中文: 文摘:论述了露天矿大型装载设备电铲、液压挖掘机和轮式装载机的发展概况、结构性能及新技术的应用。
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